Clean up SpdySessionDependencies to remove code duplication.

net/http/http_network_transaction_spdy2_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
@@ skipping 119 matching lines @@
   ReplaceChars(double_quote_headers, "\"", "'", headers);
   return true;
 }
 
 }  // namespace
 
 namespace net {
 
 namespace {
 
-// Helper to manage the lifetimes of the dependencies for a
-// HttpNetworkTransaction.
-struct SessionDependencies {
-  // Default set of dependencies -- "null" proxy service.
-  SessionDependencies()
-      : host_resolver(new MockHostResolver),
-        cert_verifier(new MockCertVerifier),
-        proxy_service(ProxyService::CreateDirect()),
-        ssl_config_service(new SSLConfigServiceDefaults),
-        http_auth_handler_factory(
-            HttpAuthHandlerFactory::CreateDefault(host_resolver.get())),
-        net_log(NULL) {}
-
-  // Custom proxy service dependency.
-  explicit SessionDependencies(ProxyService* proxy_service)
-      : host_resolver(new MockHostResolver),
-        cert_verifier(new MockCertVerifier),
-        proxy_service(proxy_service),
-        ssl_config_service(new SSLConfigServiceDefaults),
-        http_auth_handler_factory(
-            HttpAuthHandlerFactory::CreateDefault(host_resolver.get())),
-        net_log(NULL) {}
-
-  scoped_ptr<MockHostResolverBase> host_resolver;
-  scoped_ptr<CertVerifier> cert_verifier;
-  scoped_ptr<ProxyService> proxy_service;
-  scoped_refptr<SSLConfigService> ssl_config_service;
-  MockClientSocketFactory socket_factory;
-  scoped_ptr<HttpAuthHandlerFactory> http_auth_handler_factory;
-  HttpServerPropertiesImpl http_server_properties;
-  NetLog* net_log;
-  std::string trusted_spdy_proxy;
-};
-
-HttpNetworkSession* CreateSession(SessionDependencies* session_deps) {
-  net::HttpNetworkSession::Params params;
-  params.client_socket_factory = &session_deps->socket_factory;
-  params.host_resolver = session_deps->host_resolver.get();
-  params.cert_verifier = session_deps->cert_verifier.get();
-  params.proxy_service = session_deps->proxy_service.get();
-  params.ssl_config_service = session_deps->ssl_config_service;
-  params.http_auth_handler_factory =
-      session_deps->http_auth_handler_factory.get();
-  params.http_server_properties = &session_deps->http_server_properties;
-  params.net_log = session_deps->net_log;
-  params.trusted_spdy_proxy = session_deps->trusted_spdy_proxy;
-  HttpNetworkSession* http_session = new HttpNetworkSession(params);
-  SpdySessionPoolPeer pool_peer(http_session->spdy_session_pool());
-  pool_peer.EnableSendingInitialSettings(false);
-  return http_session;
+HttpNetworkSession* CreateSession(SpdySessionDependencies* session_deps) {
+  return SpdySessionDependencies::SpdyCreateSession(session_deps);
 }
 
 }  // namespace
 
 class HttpNetworkTransactionSpdy2Test : public PlatformTest {
  protected:
   struct SimpleGetHelperResult {
     int rv;
     std::string status_line;
     std::string response_data;
@@ skipping 24 matching lines @@
 
   SimpleGetHelperResult SimpleGetHelperForData(StaticSocketDataProvider* data[],
                                                size_t data_count) {
     SimpleGetHelperResult out;
 
     HttpRequestInfo request;
     request.method = "GET";
     request.url = GURL("http://www.google.com/");
     request.load_flags = 0;
 
-    SessionDependencies session_deps;
+    SpdySessionDependencies session_deps;
     scoped_ptr<HttpTransaction> trans(
         new HttpNetworkTransaction(CreateSession(&session_deps)));
 
     for (size_t i = 0; i < data_count; ++i) {
-      session_deps.socket_factory.AddSocketDataProvider(data[i]);
+      session_deps.socket_factory->AddSocketDataProvider(data[i]);
     }
 
     TestCompletionCallback callback;
 
     CapturingBoundNetLog log;
     EXPECT_TRUE(log.bound().IsLoggingAllEvents());
     int rv = trans->Start(&request, callback.callback(), log.bound());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     out.rv = callback.WaitForResult();
@@ skipping 213 matching lines @@
   EXPECT_FALSE(auth_challenge->is_proxy);
   EXPECT_EQ("172.22.68.17:80", auth_challenge->challenger.ToString());
   EXPECT_EQ(std::string(), auth_challenge->realm);
   EXPECT_EQ("ntlm", auth_challenge->scheme);
   return true;
 }
 
 }  // namespace
 
 TEST_F(HttpNetworkTransactionSpdy2Test, Basic) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, SimpleGET) {
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
@@ skipping 274 matching lines @@
     MockRead("Location: http://good.com/\r\n"),
     MockRead("Content-Length: 0\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://redirect.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL && response->headers != NULL);
@@ skipping 18 matching lines @@
 }
 
 // Do a request using the HEAD method. Verify that we don't try to read the
 // message body (since HEAD has none).
 TEST_F(HttpNetworkTransactionSpdy2Test, Head) {
   HttpRequestInfo request;
   request.method = "HEAD";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes1[] = {
     MockWrite("HEAD / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Content-Length: 0\r\n\r\n"),
   };
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 404 Not Found\r\n"),
     MockRead("Server: Blah\r\n"),
     MockRead("Content-Length: 1234\r\n\r\n"),
 
     // No response body because the test stops reading here.
     MockRead(SYNCHRONOUS, ERR_UNEXPECTED),  // Should not be reached.
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 13 matching lines @@
 
   // Reading should give EOF right away, since there is no message body
   // (despite non-zero content-length).
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, ReuseConnection) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\n"),
     MockRead("hello"),
     MockRead("HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\n"),
     MockRead("world"),
     MockRead(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   const char* const kExpectedResponseData[] = {
     "hello", "world"
   };
 
   for (int i = 0; i < 2; ++i) {
     HttpRequestInfo request;
     request.method = "GET";
     request.url = GURL("http://www.google.com/");
     request.load_flags = 0;
@@ skipping 25 matching lines @@
   scoped_refptr<UploadData> upload_data(new UploadData());
   upload_data->AppendBytes("foo", 3);
   UploadDataStream upload_data_stream(upload_data);
 
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.foo.com/");
   request.upload_data_stream = &upload_data_stream;
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 100 Continue\r\n\r\n"),
     MockRead("HTTP/1.0 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 10 matching lines @@
 
 // This test is almost the same as Ignores100 above, but the response contains
 // a 102 instead of a 100. Also, instead of HTTP/1.0 the response is
 // HTTP/1.1 and the two status headers are read in one read.
 TEST_F(HttpNetworkTransactionSpdy2Test, Ignores1xx) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.foo.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 102 Unspecified status code\r\n\r\n"
              "HTTP/1.1 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
 
   EXPECT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("hello world", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, Incomplete100ThenEOF) {
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.foo.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead(SYNCHRONOUS, "HTTP/1.0 100 Continue\r\n"),
     MockRead(ASYNC, 0),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, EmptyResponse) {
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.foo.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead(ASYNC, 0),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_EMPTY_RESPONSE, rv);
 }
 
 void HttpNetworkTransactionSpdy2Test::KeepAliveConnectionResendRequestTest(
     const MockWrite* write_failure,
     const MockRead* read_failure) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.foo.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Written data for successfully sending both requests.
   MockWrite data1_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.foo.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.foo.com\r\n"
               "Connection: keep-alive\r\n\r\n")
   };
 
   // Read results for the first request.
   MockRead data1_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\n"),
     MockRead("hello"),
     MockRead(ASYNC, OK),
   };
 
   if (write_failure) {
     ASSERT_TRUE(!read_failure);
     data1_writes[1] = *write_failure;
   } else {
     ASSERT_TRUE(read_failure);
     data1_reads[2] = *read_failure;
   }
 
   StaticSocketDataProvider data1(data1_reads, arraysize(data1_reads),
                                  data1_writes, arraysize(data1_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   MockRead data2_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\n"),
     MockRead("world"),
     MockRead(ASYNC, OK),
   };
   StaticSocketDataProvider data2(data2_reads, arraysize(data2_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   const char* kExpectedResponseData[] = {
     "hello", "world"
   };
 
   for (int i = 0; i < 2; ++i) {
     TestCompletionCallback callback;
 
     scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
@@ skipping 31 matching lines @@
   MockRead read_failure(SYNCHRONOUS, OK);  // EOF
   KeepAliveConnectionResendRequestTest(NULL, &read_failure);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, NonKeepAliveConnectionReset) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead(ASYNC, ERR_CONNECTION_RESET),
     MockRead("HTTP/1.0 200 OK\r\n\r\n"),  // Should not be used
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_CONNECTION_RESET, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 24 matching lines @@
 // Next 2 cases (KeepAliveEarlyClose and KeepAliveEarlyClose2) are regression
 // tests. There was a bug causing HttpNetworkTransaction to hang in the
 // destructor in such situations.
 // See http://crbug.com/154712 and http://crbug.com/156609.
 TEST_F(HttpNetworkTransactionSpdy2Test, KeepAliveEarlyClose) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Connection: keep-alive\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead("hello"),
     MockRead(SYNCHRONOUS, 0),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   scoped_refptr<IOBufferWithSize> io_buf(new IOBufferWithSize(100));
   rv = trans->Read(io_buf, io_buf->size(), callback.callback());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(5, rv);
   rv = trans->Read(io_buf, io_buf->size(), callback.callback());
   EXPECT_EQ(ERR_CONTENT_LENGTH_MISMATCH, rv);
 
   trans.reset();
   MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, KeepAliveEarlyClose2) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Connection: keep-alive\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, 0),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   scoped_refptr<IOBufferWithSize> io_buf(new IOBufferWithSize(100));
   rv = trans->Read(io_buf, io_buf->size(), callback.callback());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(ERR_CONTENT_LENGTH_MISMATCH, rv);
 
   trans.reset();
   MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 }
 
 // Test that we correctly reuse a keep-alive connection after not explicitly
 // reading the body.
 TEST_F(HttpNetworkTransactionSpdy2Test, KeepAliveAfterUnreadBody) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.foo.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Note that because all these reads happen in the same
   // StaticSocketDataProvider, it shows that the same socket is being reused for
   // all transactions.
   MockRead data1_reads[] = {
     MockRead("HTTP/1.1 204 No Content\r\n\r\n"),
     MockRead("HTTP/1.1 205 Reset Content\r\n\r\n"),
     MockRead("HTTP/1.1 304 Not Modified\r\n\r\n"),
     MockRead("HTTP/1.1 302 Found\r\n"
              "Content-Length: 0\r\n\r\n"),
     MockRead("HTTP/1.1 302 Found\r\n"
              "Content-Length: 5\r\n\r\n"
              "hello"),
     MockRead("HTTP/1.1 301 Moved Permanently\r\n"
              "Content-Length: 0\r\n\r\n"),
     MockRead("HTTP/1.1 301 Moved Permanently\r\n"
              "Content-Length: 5\r\n\r\n"
              "hello"),
     MockRead("HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\n"),
     MockRead("hello"),
   };
   StaticSocketDataProvider data1(data1_reads, arraysize(data1_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   MockRead data2_reads[] = {
     MockRead(SYNCHRONOUS, ERR_UNEXPECTED),  // Should not be reached.
   };
   StaticSocketDataProvider data2(data2_reads, arraysize(data2_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   const int kNumUnreadBodies = arraysize(data1_reads) - 2;
   std::string response_lines[kNumUnreadBodies];
 
   for (size_t i = 0; i < arraysize(data1_reads) - 2; ++i) {
     TestCompletionCallback callback;
 
     scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
     int rv = trans->Start(&request, callback.callback(), BoundNetLog());
@@ skipping 44 matching lines @@
 }
 
 // Test the request-challenge-retry sequence for basic auth.
 // (basic auth is the easiest to mock, because it has no randomness).
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuth) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
@@ skipping 23 matching lines @@
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 14 matching lines @@
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
   EXPECT_EQ(100, response->headers->GetContentLength());
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, DoNotSendAuth) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = net::LOAD_DO_NOT_SEND_AUTH_DATA;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 401 Unauthorized\r\n"),
     MockRead("WWW-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     // Large content-length -- won't matter, as connection will be reset.
     MockRead("Content-Length: 10000\r\n\r\n"),
     MockRead(SYNCHRONOUS, ERR_FAILED),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(0, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
 }
 
 // Test the request-challenge-retry sequence for basic auth, over a keep-alive
 // connection.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthKeepAlive) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
 
     // After calling trans->RestartWithAuth(), this is the request we should
     // be issuing -- the final header line contains the credentials.
     MockWrite("GET / HTTP/1.1\r\n"
@@ skipping 19 matching lines @@
   // If there is a regression where we disconnect a Keep-Alive
   // connection during an auth roundtrip, we'll end up reading this.
   MockRead data_reads2[] = {
     MockRead(SYNCHRONOUS, ERR_FAILED),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
@@ skipping 17 matching lines @@
 }
 
 // Test the request-challenge-retry sequence for basic auth, over a keep-alive
 // connection and with no response body to drain.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthKeepAliveNoBody) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
 
     // After calling trans->RestartWithAuth(), this is the request we should
     // be issuing -- the final header line contains the credentials.
     MockWrite("GET / HTTP/1.1\r\n"
@@ skipping 16 matching lines @@
 
   // An incorrect reconnect would cause this to be read.
   MockRead data_reads2[] = {
     MockRead(SYNCHRONOUS, ERR_FAILED),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
@@ skipping 17 matching lines @@
 }
 
 // Test the request-challenge-retry sequence for basic auth, over a keep-alive
 // connection and with a large response body to drain.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthKeepAliveLargeBody) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
 
     // After calling trans->RestartWithAuth(), this is the request we should
     // be issuing -- the final header line contains the credentials.
     MockWrite("GET / HTTP/1.1\r\n"
@@ skipping 24 matching lines @@
 
   // An incorrect reconnect would cause this to be read.
   MockRead data_reads2[] = {
     MockRead(SYNCHRONOUS, ERR_FAILED),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
@@ skipping 17 matching lines @@
 }
 
 // Test the request-challenge-retry sequence for basic auth, over a keep-alive
 // connection, but the server gets impatient and closes the connection.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthKeepAliveImpatientServer) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
     // This simulates the seemingly successful write to a closed connection
     // if the bug is not fixed.
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
@@ skipping 26 matching lines @@
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 5\r\n\r\n"),
     MockRead("hello"),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
@@ skipping 19 matching lines @@
 // Test the request-challenge-retry sequence for basic auth, over a connection
 // that requires a restart when setting up an SSL tunnel.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthProxyNoKeepAlive) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   // when the no authentication data flag is set.
   request.load_flags = net::LOAD_DO_NOT_SEND_AUTH_DATA;
 
   // Configure against proxy server "myproxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes1[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
 
@@ skipping 20 matching lines @@
     MockRead("HTTP/1.1 200 Connection Established\r\n\r\n"),
 
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 5\r\n\r\n"),
     MockRead(SYNCHRONOUS, "hello"),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 42 matching lines @@
 // proxy connection, when setting up an SSL tunnel.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthProxyKeepAlive) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   // Ensure that proxy authentication is attempted even
   // when the no authentication data flag is set.
   request.load_flags = net::LOAD_DO_NOT_SEND_AUTH_DATA;
 
   // Configure against proxy server "myproxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes1[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
@@ skipping 19 matching lines @@
     // Wrong credentials (wrong password).
     MockRead("HTTP/1.1 407 Proxy Authentication Required\r\n"),
     MockRead("Proxy-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     MockRead("Content-Length: 10\r\n\r\n"),
     // No response body because the test stops reading here.
     MockRead(SYNCHRONOUS, ERR_UNEXPECTED),  // Should not be reached.
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
   net::CapturingNetLog::CapturedEntryList entries;
   log.GetEntries(&entries);
@@ skipping 40 matching lines @@
 
 // Test that we don't read the response body when we fail to establish a tunnel,
 // even if the user cancels the proxy's auth attempt.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthProxyCancelTunnel) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against proxy server "myproxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
 
   // The proxy responds to the connect with a 407.
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 407 Proxy Authentication Required\r\n"),
     MockRead("Proxy-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     MockRead("Content-Length: 10\r\n\r\n"),
     MockRead(SYNCHRONOUS, ERR_UNEXPECTED),  // Should not be reached.
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 14 matching lines @@
 
 // Test when a server (non-proxy) returns a 407 (proxy-authenticate).
 // The request should fail with ERR_UNEXPECTED_PROXY_AUTH.
 TEST_F(HttpNetworkTransactionSpdy2Test, UnexpectedProxyAuth) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   // We are using a DIRECT connection (i.e. no proxy) for this session.
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead("HTTP/1.0 407 Proxy Auth required\r\n"),
     MockRead("Proxy-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     // Large content-length -- won't matter, as connection will be reset.
     MockRead("Content-Length: 10000\r\n\r\n"),
     MockRead(SYNCHRONOUS, ERR_FAILED),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_UNEXPECTED_PROXY_AUTH, rv);
 }
 
 // Tests when an HTTPS server (non-proxy) returns a 407 (proxy-authentication)
 // through a non-authenticating proxy. The request should fail with
 // ERR_UNEXPECTED_PROXY_AUTH.
 // Note that it is impossible to detect if an HTTP server returns a 407 through
 // a non-authenticating proxy - there is nothing to indicate whether the
 // response came from the proxy or the server, so it is treated as if the proxy
 // issued the challenge.
 TEST_F(HttpNetworkTransactionSpdy2Test,
        HttpsServerRequestsProxyAuthThroughProxy) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
 
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes1[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
 
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 200 Connection Established\r\n\r\n"),
 
     MockRead("HTTP/1.1 407 Unauthorized\r\n"),
     MockRead("Proxy-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     MockRead("\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(ERR_UNEXPECTED_PROXY_AUTH, rv);
   net::CapturingNetLog::CapturedEntryList entries;
   log.GetEntries(&entries);
   size_t pos = ExpectLogContainsSomewhere(
       entries, 0, NetLog::TYPE_HTTP_TRANSACTION_SEND_TUNNEL_HEADERS,
       NetLog::PHASE_NONE);
   ExpectLogContainsSomewhere(
       entries, pos,
       NetLog::TYPE_HTTP_TRANSACTION_READ_TUNNEL_RESPONSE_HEADERS,
       NetLog::PHASE_NONE);
 }
 
 // Test a simple get through an HTTPS Proxy.
 TEST_F(HttpNetworkTransactionSpdy2Test, HttpsProxyGet) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
 
   // Configure against https proxy server "proxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed(
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed(
       "https://proxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Since we have proxy, should use full url
   MockWrite data_writes1[] = {
     MockWrite("GET http://www.google.com/ HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 11 matching lines @@
 }
 
 // Test a SPDY get through an HTTPS Proxy.
 TEST_F(HttpNetworkTransactionSpdy2Test, HttpsProxySpdyGet) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "proxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed(
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed(
       "https://proxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // fetch http://www.google.com/ via SPDY
   scoped_ptr<SpdyFrame> req(ConstructSpdyGet(NULL, 0, false, 1, LOWEST,
                                                    false));
   MockWrite spdy_writes[] = { CreateMockWrite(*req) };
 
   scoped_ptr<SpdyFrame> resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> data(ConstructSpdyBodyFrame(1, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*resp),
     CreateMockRead(*data),
     MockRead(ASYNC, 0, 0),
   };
 
   DelayedSocketData spdy_data(
       1,  // wait for one write to finish before reading.
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ(kUploadData, response_data);
 }
 
 // Test a SPDY get through an HTTPS Proxy.
 TEST_F(HttpNetworkTransactionSpdy2Test, HttpsProxySpdyGetWithProxyAuth) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "myproxy:70".
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // The first request will be a bare GET, the second request will be a
   // GET with a Proxy-Authorization header.
   scoped_ptr<SpdyFrame> req_get(
       ConstructSpdyGet(NULL, 0, false, 1, LOWEST, false));
   const char* const kExtraAuthorizationHeaders[] = {
@@ skipping 29 matching lines @@
     CreateMockRead(*resp_authentication, 2),
     CreateMockRead(*body_authentication, 3),
     CreateMockRead(*resp_data, 5),
     CreateMockRead(*body_data, 6),
     MockRead(ASYNC, 0, 7),
   };
 
   OrderedSocketData data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 25 matching lines @@
 }
 
 // Test a SPDY CONNECT through an HTTPS Proxy to an HTTPS (non-SPDY) Server.
 TEST_F(HttpNetworkTransactionSpdy2Test, HttpsProxySpdyConnectHttps) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "proxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed(
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed(
       "https://proxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   // CONNECT to www.google.com:443 via SPDY
   scoped_ptr<SpdyFrame> connect(ConstructSpdyConnect(NULL, 0, 1));
   // fetch https://www.google.com/ via HTTP
@@ skipping 23 matching lines @@
     CreateMockRead(*conn_resp, 2, ASYNC),
     CreateMockRead(*wrapped_get_resp, 4, ASYNC),
     CreateMockRead(*wrapped_body, 6, ASYNC),
     CreateMockRead(*wrapped_body, 7, ASYNC),
     MockRead(ASYNC, 0, 8),
   };
 
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
   SSLSocketDataProvider ssl2(ASYNC, OK);
   ssl2.was_npn_negotiated = false;
   ssl2.protocol_negotiated = kProtoUnknown;
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl2);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("1234567890", response_data);
 }
 
 // Test a SPDY CONNECT through an HTTPS Proxy to a SPDY server.
 TEST_F(HttpNetworkTransactionSpdy2Test, HttpsProxySpdyConnectSpdy) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "proxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed(
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed(
       "https://proxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   // CONNECT to www.google.com:443 via SPDY
   scoped_ptr<SpdyFrame> connect(ConstructSpdyConnect(NULL, 0, 1));
   // fetch https://www.google.com/ via SPDY
@@ skipping 21 matching lines @@
   MockRead spdy_reads[] = {
     CreateMockRead(*conn_resp, 2, ASYNC),
     CreateMockRead(*wrapped_get_resp, 4, ASYNC),
     CreateMockRead(*wrapped_body, 6, ASYNC),
     MockRead(ASYNC, 0, 8),
   };
 
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
   SSLSocketDataProvider ssl2(ASYNC, OK);
   ssl2.SetNextProto(kProtoSPDY2);
   ssl2.protocol_negotiated = kProtoSPDY2;
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl2);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ(kUploadData, response_data);
 }
 
 // Test a SPDY CONNECT failure through an HTTPS Proxy.
 TEST_F(HttpNetworkTransactionSpdy2Test, HttpsProxySpdyConnectFailure) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "proxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed(
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed(
       "https://proxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   // CONNECT to www.google.com:443 via SPDY
   scoped_ptr<SpdyFrame> connect(ConstructSpdyConnect(NULL, 0, 1));
   scoped_ptr<SpdyFrame> get(ConstructSpdyRstStream(1, CANCEL));
 
   MockWrite spdy_writes[] = {
       CreateMockWrite(*connect, 1),
       CreateMockWrite(*get, 3),
   };
 
   scoped_ptr<SpdyFrame> resp(ConstructSpdySynReplyError(1));
   scoped_ptr<SpdyFrame> data(ConstructSpdyBodyFrame(1, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*resp, 2, ASYNC),
     MockRead(ASYNC, 0, 4),
   };
 
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
   SSLSocketDataProvider ssl2(ASYNC, OK);
   ssl2.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl2);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(ERR_TUNNEL_CONNECTION_FAILED, rv);
 
   // TODO(ttuttle): Anything else to check here?
 }
 
 // Test the challenge-response-retry sequence through an HTTPS Proxy
 TEST_F(HttpNetworkTransactionSpdy2Test, HttpsProxyAuthRetry) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   // when the no authentication data flag is set.
   request.load_flags = net::LOAD_DO_NOT_SEND_AUTH_DATA;
 
   // Configure against https proxy server "myproxy:70".
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Since we have proxy, should use full url
   MockWrite data_writes1[] = {
     MockWrite("GET http://www.google.com/ HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
@@ skipping 16 matching lines @@
     MockRead("Content-Length: 0\r\n\r\n"),
 
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 27 matching lines @@
 }
 
 void HttpNetworkTransactionSpdy2Test::ConnectStatusHelperWithExpectedStatus(
     const MockRead& status, int expected_status) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against proxy server "myproxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     status,
     MockRead("Content-Length: 10\r\n\r\n"),
     // No response body because the test stops reading here.
     MockRead(SYNCHRONOUS, ERR_UNEXPECTED),  // Should not be reached.
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(expected_status, rv);
@@ skipping 171 matching lines @@
 
 // Test the flow when both the proxy server AND origin server require
 // authentication. Again, this uses basic auth for both since that is
 // the simplest to mock.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthProxyThenServer) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
 
   // Configure against proxy server "myproxy:70".
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(
       CreateSession(&session_deps)));
 
   MockWrite data_writes1[] = {
     MockWrite("GET http://www.google.com/ HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
@@ skipping 50 matching lines @@
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
   StaticSocketDataProvider data3(data_reads3, arraysize(data_reads3),
                                  data_writes3, arraysize(data_writes3));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
-  session_deps.socket_factory.AddSocketDataProvider(&data3);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data3);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 37 matching lines @@
 
 // Enter the correct password and authenticate successfully.
 TEST_F(HttpNetworkTransactionSpdy2Test, NTLMAuth1) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://172.22.68.17/kids/login.aspx");
   request.load_flags = 0;
 
   HttpAuthHandlerNTLM::ScopedProcSetter proc_setter(MockGenerateRandom1,
                                                     MockGetHostName);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   MockWrite data_writes1[] = {
     MockWrite("GET /kids/login.aspx HTTP/1.1\r\n"
               "Host: 172.22.68.17\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 401 Access Denied\r\n"),
@@ skipping 51 matching lines @@
     MockRead("Content-Type: text/html; charset=utf-8\r\n"),
     MockRead("Content-Length: 13\r\n\r\n"),
     MockRead("Please Login\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 35 matching lines @@
 
 // Enter a wrong password, and then the correct one.
 TEST_F(HttpNetworkTransactionSpdy2Test, NTLMAuth2) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://172.22.68.17/kids/login.aspx");
   request.load_flags = 0;
 
   HttpAuthHandlerNTLM::ScopedProcSetter proc_setter(MockGenerateRandom2,
                                                     MockGetHostName);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   MockWrite data_writes1[] = {
     MockWrite("GET /kids/login.aspx HTTP/1.1\r\n"
               "Host: 172.22.68.17\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 401 Access Denied\r\n"),
@@ skipping 101 matching lines @@
     MockRead("Please Login\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
   StaticSocketDataProvider data3(data_reads3, arraysize(data_reads3),
                                  data_writes3, arraysize(data_writes3));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
-  session_deps.socket_factory.AddSocketDataProvider(&data3);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data3);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 55 matching lines @@
 
 // Test reading a server response which has only headers, and no body.
 // After some maximum number of bytes is consumed, the transaction should
 // fail with ERR_RESPONSE_HEADERS_TOO_BIG.
 TEST_F(HttpNetworkTransactionSpdy2Test, LargeHeadersNoBody) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   // Respond with 300 kb of headers (we should fail after 256 kb).
   std::string large_headers_string;
   FillLargeHeadersString(&large_headers_string, 300 * 1024);
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead(ASYNC, large_headers_string.data(), large_headers_string.size()),
     MockRead("\r\nBODY"),
     MockRead(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_RESPONSE_HEADERS_TOO_BIG, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   EXPECT_TRUE(response == NULL);
 }
 
 // Make sure that we don't try to reuse a TCPClientSocket when failing to
 // establish tunnel.
 // http://code.google.com/p/chromium/issues/detail?id=3772
 TEST_F(HttpNetworkTransactionSpdy2Test,
        DontRecycleTransportSocketForSSLTunnel) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against proxy server "myproxy:70".
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes1[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
 
   // The proxy responds to the connect with a 404, using a persistent
   // connection. Usually a proxy would return 501 (not implemented),
   // or 200 (tunnel established).
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 404 Not Found\r\n"),
     MockRead("Content-Length: 10\r\n\r\n"),
     MockRead(SYNCHRONOUS, ERR_UNEXPECTED),  // Should not be reached.
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(ERR_TUNNEL_CONNECTION_FAILED, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 12 matching lines @@
   EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
 }
 
 // Make sure that we recycle a socket after reading all of the response body.
 TEST_F(HttpNetworkTransactionSpdy2Test, RecycleSocket) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   MockRead data_reads[] = {
     // A part of the response body is received with the response headers.
     MockRead("HTTP/1.1 200 OK\r\nContent-Length: 11\r\n\r\nhel"),
     // The rest of the response body is received in two parts.
     MockRead("lo"),
     MockRead(" world"),
     MockRead("junk"),  // Should not be read!!
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 14 matching lines @@
   // added to the connection pool asynchronously with a PostTask.
   MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the socket was added back to the pool.
   EXPECT_EQ(1, GetIdleSocketCountInTransportSocketPool(session));
 }
 
 // Make sure that we recycle a SSL socket after reading all of the response
 // body.
 TEST_F(HttpNetworkTransactionSpdy2Test, RecycleSSLSocket) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Length: 11\r\n\r\n"),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
 
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
@@ skipping 14 matching lines @@
   // added to the connection pool asynchronously with a PostTask.
   MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the socket was added back to the pool.
   EXPECT_EQ(1, GetIdleSocketCountInSSLSocketPool(session));
 }
 
 // Grab a SSL socket, use it, and put it back into the pool.  Then, reuse it
 // from the pool and make sure that we recover okay.
 TEST_F(HttpNetworkTransactionSpdy2Test, RecycleDeadSSLSocket) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Length: 11\r\n\r\n"),
     MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
     MockRead("hello world"),
     MockRead(ASYNC, 0, 0)   // EOF
   };
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   SSLSocketDataProvider ssl2(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl2);
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   StaticSocketDataProvider data2(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
 
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
@@ skipping 49 matching lines @@
 // http://crbug.com/9880
 TEST_F(HttpNetworkTransactionSpdy2Test, RecycleSocketAfterZeroContentLength) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/csi?v=3&s=web&action=&"
                      "tran=undefined&ei=mAXcSeegAo-SMurloeUN&"
                      "e=17259,18167,19592,19773,19981,20133,20173,20233&"
                      "rt=prt.2642,ol.2649,xjs.2951");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 204 No Content\r\n"
              "Content-Length: 0\r\n"
              "Content-Type: text/html\r\n\r\n"),
     MockRead("junk"),  // Should not be read!!
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 31 matching lines @@
   request[0].load_flags = 0;
   // Transaction 2: a POST request.  Reuses the socket kept alive from
   // transaction 1.  The first attempts fails when writing the POST data.
   // This causes the transaction to retry with a new socket.  The second
   // attempt succeeds.
   request[1].method = "POST";
   request[1].url = GURL("http://www.google.com/login.cgi");
   request[1].upload_data_stream = &upload_data_stream;
   request[1].load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // The first socket is used for transaction 1 and the first attempt of
   // transaction 2.
 
   // The response of transaction 1.
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 200 OK\r\nContent-Length: 11\r\n\r\n"),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
@@ skipping 17 matching lines @@
     MockRead(SYNCHRONOUS, OK),
   };
   // The mock write results of the second attempt of transaction 2.
   MockWrite data_writes2[] = {
     MockWrite(SYNCHRONOUS, 93),  // POST
     MockWrite(SYNCHRONOUS, 3),  // POST data
   };
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
 
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   const char* kExpectedResponseData[] = {
     "hello world", "welcome"
   };
 
   for (int i = 0; i < 2; ++i) {
     scoped_ptr<HttpTransaction> trans(
         new HttpNetworkTransaction(session));
 
     TestCompletionCallback callback;
@@ skipping 19 matching lines @@
 
 // Test the request-challenge-retry sequence for basic auth when there is
 // an identity in the URL. The request should be sent as normal, but when
 // it fails the identity from the URL is used to answer the challenge.
 TEST_F(HttpNetworkTransactionSpdy2Test, AuthIdentityInURL) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://foo:b@r@www.google.com/");
   request.load_flags = LOAD_NORMAL;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   // The password contains an escaped character -- for this test to pass it
   // will need to be unescaped by HttpNetworkTransaction.
   EXPECT_EQ("b%40r", request.url.password());
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
@@ skipping 19 matching lines @@
   MockRead data_reads2[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
   EXPECT_TRUE(trans->IsReadyToRestartForAuth());
 
   TestCompletionCallback callback2;
   rv = trans->RestartWithAuth(AuthCredentials(), callback2.callback());
@@ skipping 19 matching lines @@
 // once.
 TEST_F(HttpNetworkTransactionSpdy2Test, WrongAuthIdentityInURL) {
   HttpRequestInfo request;
   request.method = "GET";
   // Note: the URL has a username:password in it.  The password "baz" is
   // wrong (should be "bar").
   request.url = GURL("http://foo:baz@www.google.com/");
 
   request.load_flags = LOAD_NORMAL;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
@@ skipping 33 matching lines @@
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
   StaticSocketDataProvider data3(data_reads3, arraysize(data_reads3),
                                  data_writes3, arraysize(data_writes3));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
-  session_deps.socket_factory.AddSocketDataProvider(&data3);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data3);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   EXPECT_TRUE(trans->IsReadyToRestartForAuth());
@@ skipping 23 matching lines @@
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
 
   EXPECT_EQ(100, response->headers->GetContentLength());
 
   // Empty the current queue.
   MessageLoop::current()->RunUntilIdle();
 }
 
 // Test that previously tried username/passwords for a realm get re-used.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthCacheAndPreauth) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Transaction 1: authenticate (foo, bar) on MyRealm1
   {
     HttpRequestInfo request;
     request.method = "GET";
     request.url = GURL("http://www.google.com/x/y/z");
     request.load_flags = 0;
 
     scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
@@ skipping 23 matching lines @@
     MockRead data_reads2[] = {
       MockRead("HTTP/1.0 200 OK\r\n"),
       MockRead("Content-Length: 100\r\n\r\n"),
       MockRead(SYNCHRONOUS, OK),
     };
 
     StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                    data_writes1, arraysize(data_writes1));
     StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                    data_writes2, arraysize(data_writes2));
-    session_deps.socket_factory.AddSocketDataProvider(&data1);
-    session_deps.socket_factory.AddSocketDataProvider(&data2);
+    session_deps.socket_factory->AddSocketDataProvider(&data1);
+    session_deps.socket_factory->AddSocketDataProvider(&data2);
 
     TestCompletionCallback callback1;
 
     int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback1.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 57 matching lines @@
     MockRead data_reads2[] = {
       MockRead("HTTP/1.0 200 OK\r\n"),
       MockRead("Content-Length: 100\r\n\r\n"),
       MockRead(SYNCHRONOUS, OK),
     };
 
     StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                    data_writes1, arraysize(data_writes1));
     StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                    data_writes2, arraysize(data_writes2));
-    session_deps.socket_factory.AddSocketDataProvider(&data1);
-    session_deps.socket_factory.AddSocketDataProvider(&data2);
+    session_deps.socket_factory->AddSocketDataProvider(&data1);
+    session_deps.socket_factory->AddSocketDataProvider(&data2);
 
     TestCompletionCallback callback1;
 
     int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback1.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 43 matching lines @@
 
     // Sever accepts the preemptive authorization
     MockRead data_reads1[] = {
       MockRead("HTTP/1.0 200 OK\r\n"),
       MockRead("Content-Length: 100\r\n\r\n"),
       MockRead(SYNCHRONOUS, OK),
     };
 
     StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                    data_writes1, arraysize(data_writes1));
-    session_deps.socket_factory.AddSocketDataProvider(&data1);
+    session_deps.socket_factory->AddSocketDataProvider(&data1);
 
     TestCompletionCallback callback1;
 
     int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback1.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 40 matching lines @@
     MockRead data_reads2[] = {
       MockRead("HTTP/1.0 200 OK\r\n"),
       MockRead("Content-Length: 100\r\n\r\n"),
       MockRead(SYNCHRONOUS, OK),
     };
 
     StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                    data_writes1, arraysize(data_writes1));
     StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                    data_writes2, arraysize(data_writes2));
-    session_deps.socket_factory.AddSocketDataProvider(&data1);
-    session_deps.socket_factory.AddSocketDataProvider(&data2);
+    session_deps.socket_factory->AddSocketDataProvider(&data1);
+    session_deps.socket_factory->AddSocketDataProvider(&data2);
 
     TestCompletionCallback callback1;
 
     int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback1.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     EXPECT_TRUE(trans->IsReadyToRestartForAuth());
@@ skipping 66 matching lines @@
       MockRead("Content-Length: 100\r\n\r\n"),
       MockRead(SYNCHRONOUS, OK),
     };
 
     StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                    data_writes1, arraysize(data_writes1));
     StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                    data_writes2, arraysize(data_writes2));
     StaticSocketDataProvider data3(data_reads3, arraysize(data_reads3),
                                    data_writes3, arraysize(data_writes3));
-    session_deps.socket_factory.AddSocketDataProvider(&data1);
-    session_deps.socket_factory.AddSocketDataProvider(&data2);
-    session_deps.socket_factory.AddSocketDataProvider(&data3);
+    session_deps.socket_factory->AddSocketDataProvider(&data1);
+    session_deps.socket_factory->AddSocketDataProvider(&data2);
+    session_deps.socket_factory->AddSocketDataProvider(&data3);
 
     TestCompletionCallback callback1;
 
     int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback1.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     EXPECT_TRUE(trans->IsReadyToRestartForAuth());
@@ skipping 20 matching lines @@
     response = trans->GetResponseInfo();
     ASSERT_TRUE(response != NULL);
     EXPECT_TRUE(response->auth_challenge.get() == NULL);
     EXPECT_EQ(100, response->headers->GetContentLength());
   }
 }
 
 // Tests that nonce count increments when multiple auth attempts
 // are started with the same nonce.
 TEST_F(HttpNetworkTransactionSpdy2Test, DigestPreAuthNonceCount) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   HttpAuthHandlerDigest::Factory* digest_factory =
       new HttpAuthHandlerDigest::Factory();
   HttpAuthHandlerDigest::FixedNonceGenerator* nonce_generator =
       new HttpAuthHandlerDigest::FixedNonceGenerator("0123456789abcdef");
   digest_factory->set_nonce_generator(nonce_generator);
   session_deps.http_auth_handler_factory.reset(digest_factory);
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Transaction 1: authenticate (foo, bar) on MyRealm1
   {
@@ skipping 31 matching lines @@
     // Sever accepts the authorization.
     MockRead data_reads2[] = {
       MockRead("HTTP/1.0 200 OK\r\n"),
       MockRead(SYNCHRONOUS, OK),
     };
 
     StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                    data_writes1, arraysize(data_writes1));
     StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                    data_writes2, arraysize(data_writes2));
-    session_deps.socket_factory.AddSocketDataProvider(&data1);
-    session_deps.socket_factory.AddSocketDataProvider(&data2);
+    session_deps.socket_factory->AddSocketDataProvider(&data1);
+    session_deps.socket_factory->AddSocketDataProvider(&data2);
 
     TestCompletionCallback callback1;
 
     int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback1.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 41 matching lines @@
 
     // Sever accepts the authorization.
     MockRead data_reads1[] = {
       MockRead("HTTP/1.0 200 OK\r\n"),
       MockRead("Content-Length: 100\r\n\r\n"),
       MockRead(SYNCHRONOUS, OK),
     };
 
     StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                    data_writes1, arraysize(data_writes1));
-    session_deps.socket_factory.AddSocketDataProvider(&data1);
+    session_deps.socket_factory->AddSocketDataProvider(&data1);
 
     TestCompletionCallback callback1;
 
     int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback1.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
     ASSERT_TRUE(response != NULL);
     EXPECT_TRUE(response->auth_challenge.get() == NULL);
   }
 }
 
 // Test the ResetStateForRestart() private method.
 TEST_F(HttpNetworkTransactionSpdy2Test, ResetStateForRestart) {
   // Create a transaction (the dependencies aren't important).
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpNetworkTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   // Setup some state (which we expect ResetStateForRestart() will clear).
   trans->read_buf_ = new IOBuffer(15);
   trans->read_buf_len_ = 15;
   trans->request_headers_.SetHeader("Authorization", "NTLM");
 
   // Setup state in response_
   HttpResponseInfo* response = &trans->response_;
@@ skipping 26 matching lines @@
   EXPECT_FALSE(response->vary_data.is_valid());
 }
 
 // Test HTTPS connections to a site with a bad certificate
 TEST_F(HttpNetworkTransactionSpdy2Test, HTTPSBadCertificate) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider ssl_bad_certificate;
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   SSLSocketDataProvider ssl_bad(ASYNC, ERR_CERT_AUTHORITY_INVALID);
   SSLSocketDataProvider ssl(ASYNC, OK);
 
-  session_deps.socket_factory.AddSocketDataProvider(&ssl_bad_certificate);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_bad);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&ssl_bad_certificate);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_bad);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_CERT_AUTHORITY_INVALID, rv);
 
   rv = trans->RestartIgnoringLastError(callback.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
 
   ASSERT_TRUE(response != NULL);
   EXPECT_EQ(100, response->headers->GetContentLength());
 }
 
 // Test HTTPS connections to a site with a bad certificate, going through a
 // proxy
 TEST_F(HttpNetworkTransactionSpdy2Test, HTTPSBadCertificateViaProxy) {
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockWrite proxy_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
@@ skipping 22 matching lines @@
   };
 
   StaticSocketDataProvider ssl_bad_certificate(
       proxy_reads, arraysize(proxy_reads),
       proxy_writes, arraysize(proxy_writes));
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   SSLSocketDataProvider ssl_bad(ASYNC, ERR_CERT_AUTHORITY_INVALID);
   SSLSocketDataProvider ssl(ASYNC, OK);
 
-  session_deps.socket_factory.AddSocketDataProvider(&ssl_bad_certificate);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_bad);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&ssl_bad_certificate);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_bad);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback;
 
   for (int i = 0; i < 2; i++) {
-    session_deps.socket_factory.ResetNextMockIndexes();
+    session_deps.socket_factory->ResetNextMockIndexes();
 
     scoped_ptr<HttpTransaction> trans(
         new HttpNetworkTransaction(CreateSession(&session_deps)));
 
     int rv = trans->Start(&request, callback.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback.WaitForResult();
     EXPECT_EQ(ERR_CERT_AUTHORITY_INVALID, rv);
 
     rv = trans->RestartIgnoringLastError(callback.callback());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
 
     ASSERT_TRUE(response != NULL);
     EXPECT_EQ(100, response->headers->GetContentLength());
   }
 }
 
 
 // Test HTTPS connections to a site, going through an HTTPS proxy
 TEST_F(HttpNetworkTransactionSpdy2Test, HTTPSViaHttpsProxy) {
-  SessionDependencies session_deps(ProxyService::CreateFixed(
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed(
       "https://proxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockWrite data_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 Connected\r\n\r\n"),
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   SSLSocketDataProvider proxy_ssl(ASYNC, OK);  // SSL to the proxy
   SSLSocketDataProvider tunnel_ssl(ASYNC, OK);  // SSL through the tunnel
 
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy_ssl);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&tunnel_ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy_ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&tunnel_ssl);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   const HttpResponseInfo* response = trans->GetResponseInfo();
 
   ASSERT_TRUE(response != NULL);
 
   EXPECT_TRUE(response->headers->IsKeepAlive());
   EXPECT_EQ(200, response->headers->response_code());
   EXPECT_EQ(100, response->headers->GetContentLength());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
 }
 
 // Test an HTTPS Proxy's ability to redirect a CONNECT request
 TEST_F(HttpNetworkTransactionSpdy2Test, RedirectOfHttpsConnectViaHttpsProxy) {
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://proxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockWrite data_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 302 Redirect\r\n"),
     MockRead("Location: http://login.example.com/\r\n"),
     MockRead("Content-Length: 0\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   SSLSocketDataProvider proxy_ssl(ASYNC, OK);  // SSL to the proxy
 
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy_ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy_ssl);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   const HttpResponseInfo* response = trans->GetResponseInfo();
 
   ASSERT_TRUE(response != NULL);
 
   EXPECT_EQ(302, response->headers->response_code());
   std::string url;
   EXPECT_TRUE(response->headers->IsRedirect(&url));
   EXPECT_EQ("http://login.example.com/", url);
 }
 
 // Test an HTTPS (SPDY) Proxy's ability to redirect a CONNECT request
 TEST_F(HttpNetworkTransactionSpdy2Test, RedirectOfHttpsConnectViaSpdyProxy) {
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://proxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   scoped_ptr<SpdyFrame> conn(ConstructSpdyConnect(NULL, 0, 1));
   scoped_ptr<SpdyFrame> goaway(ConstructSpdyRstStream(1, CANCEL));
   MockWrite data_writes[] = {
@@ skipping 12 matching lines @@
     MockRead(ASYNC, 0, 2),  // EOF
   };
 
   DelayedSocketData data(
       1,  // wait for one write to finish before reading.
       data_reads, arraysize(data_reads),
       data_writes, arraysize(data_writes));
   SSLSocketDataProvider proxy_ssl(ASYNC, OK);  // SSL to the proxy
   proxy_ssl.SetNextProto(kProtoSPDY2);
 
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy_ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy_ssl);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   const HttpResponseInfo* response = trans->GetResponseInfo();
 
   ASSERT_TRUE(response != NULL);
 
   EXPECT_EQ(302, response->headers->response_code());
   std::string url;
   EXPECT_TRUE(response->headers->IsRedirect(&url));
   EXPECT_EQ("http://login.example.com/", url);
 }
 
 // Test that an HTTPS proxy's response to a CONNECT request is filtered.
 TEST_F(HttpNetworkTransactionSpdy2Test,
        ErrorResponseToHttpsConnectViaHttpsProxy) {
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://proxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockWrite data_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 404 Not Found\r\n"),
     MockRead("Content-Length: 23\r\n\r\n"),
     MockRead("The host does not exist"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   SSLSocketDataProvider proxy_ssl(ASYNC, OK);  // SSL to the proxy
 
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy_ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy_ssl);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_TUNNEL_CONNECTION_FAILED, rv);
 
   // TODO(ttuttle): Anything else to check here?
 }
 
 // Test that a SPDY proxy's response to a CONNECT request is filtered.
 TEST_F(HttpNetworkTransactionSpdy2Test,
        ErrorResponseToHttpsConnectViaSpdyProxy) {
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://proxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   scoped_ptr<SpdyFrame> conn(ConstructSpdyConnect(NULL, 0, 1));
   scoped_ptr<SpdyFrame> rst(ConstructSpdyRstStream(1, CANCEL));
   MockWrite data_writes[] = {
@@ skipping 16 matching lines @@
     MockRead(ASYNC, 0, 4),  // EOF
   };
 
   DelayedSocketData data(
       1,  // wait for one write to finish before reading.
       data_reads, arraysize(data_reads),
       data_writes, arraysize(data_writes));
   SSLSocketDataProvider proxy_ssl(ASYNC, OK);  // SSL to the proxy
   proxy_ssl.SetNextProto(kProtoSPDY2);
 
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy_ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy_ssl);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_TUNNEL_CONNECTION_FAILED, rv);
 
   // TODO(ttuttle): Anything else to check here?
 }
 
 // Test the request-challenge-retry sequence for basic auth, through
 // a SPDY proxy over a single SPDY session.
 TEST_F(HttpNetworkTransactionSpdy2Test, BasicAuthSpdyProxy) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   // when the no authentication data flag is set.
   request.load_flags = net::LOAD_DO_NOT_SEND_AUTH_DATA;
 
   // Configure against https proxy server "myproxy:70".
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Since we have proxy, should try to establish tunnel.
   scoped_ptr<SpdyFrame> req(ConstructSpdyConnect(NULL, 0, 1));
   scoped_ptr<SpdyFrame> rst(ConstructSpdyRstStream(1, CANCEL));
 
   // After calling trans->RestartWithAuth(), this is the request we should
@@ skipping 48 matching lines @@
     CreateMockRead(*conn_auth_resp, 2, ASYNC),
     CreateMockRead(*conn_resp, 6, ASYNC),
     CreateMockRead(*wrapped_get_resp, 9, ASYNC),
     CreateMockRead(*wrapped_body, 10, ASYNC),
     MockRead(ASYNC, OK, 11),  // EOF.  May or may not be read.
   };
 
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
   // Negotiate SPDY to the proxy
   SSLSocketDataProvider proxy(ASYNC, OK);
   proxy.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy);
   // Vanilla SSL to the server
   SSLSocketDataProvider server(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&server);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&server);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 50 matching lines @@
     0x01, 0x00, 0x00, 0x06,                                      // FIN, length
     'p', 'u', 's', 'h', 'e', 'd'                                 // "pushed"
   };
 
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   push_request.method = "GET";
   push_request.url = GURL("http://www.another-origin.com/foo.dat");
 
   // Configure against https proxy server "myproxy:70".
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
 
   // Enable cross-origin push.
   session_deps.trusted_spdy_proxy = "myproxy:70";
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<SpdyFrame>
@@ skipping 21 matching lines @@
     CreateMockRead(*stream2_syn, 3, ASYNC),
     CreateMockRead(*stream1_body, 4, ASYNC),
     MockRead(ASYNC, reinterpret_cast<const char*>(kPushBodyFrame),
              arraysize(kPushBodyFrame), 5),
     MockRead(ASYNC, ERR_IO_PENDING, 6),  // Force a pause
   };
 
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
   // Negotiate SPDY to the proxy
   SSLSocketDataProvider proxy(ASYNC, OK);
   proxy.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy);
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   TestCompletionCallback callback;
   int rv = trans->Start(&request, callback.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   const HttpResponseInfo* response = trans->GetResponseInfo();
 
@@ skipping 30 matching lines @@
 }
 
 // Test that an explicitly trusted SPDY proxy cannot push HTTPS content.
 TEST_F(HttpNetworkTransactionSpdy2Test, CrossOriginProxyPushCorrectness) {
   HttpRequestInfo request;
 
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
 
   // Configure against https proxy server "myproxy:70".
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
 
   // Enable cross-origin push.
   session_deps.trusted_spdy_proxy = "myproxy:70";
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<SpdyFrame>
@@ skipping 23 matching lines @@
   MockRead spdy_reads[] = {
     CreateMockRead(*stream1_reply, 2, ASYNC),
     CreateMockRead(*stream2_syn, 3, ASYNC),
     CreateMockRead(*stream1_body, 5, ASYNC),
     MockRead(ASYNC, ERR_IO_PENDING, 6),  // Force a pause
   };
 
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
   // Negotiate SPDY to the proxy
   SSLSocketDataProvider proxy(ASYNC, OK);
   proxy.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&proxy);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&proxy);
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   TestCompletionCallback callback;
   int rv = trans->Start(&request, callback.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   const HttpResponseInfo* response = trans->GetResponseInfo();
 
   ASSERT_TRUE(response != NULL);
   EXPECT_TRUE(response->headers->IsKeepAlive());
 
   EXPECT_EQ(200, response->headers->response_code());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("hello!", response_data);
 
   trans.reset();
   session->CloseAllConnections();
 }
 
 // Test HTTPS connections to a site with a bad certificate, going through an
 // HTTPS proxy
 TEST_F(HttpNetworkTransactionSpdy2Test, HTTPSBadCertificateViaHttpsProxy) {
-  SessionDependencies session_deps(ProxyService::CreateFixed(
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed(
       "https://proxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Attempt to fetch the URL from a server with a bad cert
   MockWrite bad_cert_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
@@ skipping 26 matching lines @@
 
   StaticSocketDataProvider ssl_bad_certificate(
       bad_cert_reads, arraysize(bad_cert_reads),
       bad_cert_writes, arraysize(bad_cert_writes));
   StaticSocketDataProvider data(good_cert_reads, arraysize(good_cert_reads),
                                 good_data_writes, arraysize(good_data_writes));
   SSLSocketDataProvider ssl_bad(ASYNC, ERR_CERT_AUTHORITY_INVALID);
   SSLSocketDataProvider ssl(ASYNC, OK);
 
   // SSL to the proxy, then CONNECT request, then SSL with bad certificate
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
-  session_deps.socket_factory.AddSocketDataProvider(&ssl_bad_certificate);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_bad);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&ssl_bad_certificate);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_bad);
 
   // SSL to the proxy, then CONNECT request, then valid SSL certificate
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
@@ skipping 11 matching lines @@
   EXPECT_EQ(100, response->headers->GetContentLength());
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_UserAgent) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.extra_headers.SetHeader(HttpRequestHeaders::kUserAgent,
                                   "Chromium Ultra Awesome X Edition");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "User-Agent: Chromium Ultra Awesome X Edition\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_UserAgentOverTunnel) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.extra_headers.SetHeader(HttpRequestHeaders::kUserAgent,
                                   "Chromium Ultra Awesome X Edition");
 
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n"
               "User-Agent: Chromium Ultra Awesome X Edition\r\n\r\n"),
   };
   MockRead data_reads[] = {
     // Return an error, so the transaction stops here (this test isn't
     // interested in the rest).
     MockRead("HTTP/1.1 407 Proxy Authentication Required\r\n"),
     MockRead("Proxy-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     MockRead("Proxy-Connection: close\r\n\r\n"),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_Referer) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
   request.extra_headers.SetHeader(HttpRequestHeaders::kReferer,
                                   "http://the.previous.site.com/");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Referer: http://the.previous.site.com/\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_PostContentLengthZero) {
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.google.com/");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("POST / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Content-Length: 0\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_PutContentLengthZero) {
   HttpRequestInfo request;
   request.method = "PUT";
   request.url = GURL("http://www.google.com/");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("PUT / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Content-Length: 0\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_HeadContentLengthZero) {
   HttpRequestInfo request;
   request.method = "HEAD";
   request.url = GURL("http://www.google.com/");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("HEAD / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Content-Length: 0\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_CacheControlNoCache) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = LOAD_BYPASS_CACHE;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Pragma: no-cache\r\n"
               "Cache-Control: no-cache\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        BuildRequest_CacheControlValidateCache) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = LOAD_VALIDATE_CACHE;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Cache-Control: max-age=0\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_ExtraHeaders) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.extra_headers.SetHeader("FooHeader", "Bar");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "FooHeader: Bar\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BuildRequest_ExtraHeadersStripped) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.extra_headers.SetHeader("referer", "www.foo.com");
   request.extra_headers.SetHeader("hEllo", "Kitty");
   request.extra_headers.SetHeader("FoO", "bar");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "referer: www.foo.com\r\n"
               "hEllo: Kitty\r\n"
               "FoO: bar\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, SOCKS4_HTTP_GET) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("socks4://myproxy:1080"));
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   char write_buffer[] = { 0x04, 0x01, 0x00, 0x50, 127, 0, 0, 1, 0 };
   char read_buffer[] = { 0x00, 0x5A, 0x00, 0x00, 0, 0, 0, 0 };
 
   MockWrite data_writes[] = {
     MockWrite(ASYNC, write_buffer, arraysize(write_buffer)),
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n")
   };
 
   MockRead data_reads[] = {
     MockRead(ASYNC, read_buffer, arraysize(read_buffer)),
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n\r\n"),
     MockRead("Payload"),
     MockRead(SYNCHRONOUS, OK)
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
 
   std::string response_text;
   rv = ReadTransaction(trans.get(), &response_text);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("Payload", response_text);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, SOCKS4_SSL_GET) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("socks4://myproxy:1080"));
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   unsigned char write_buffer[] = { 0x04, 0x01, 0x01, 0xBB, 127, 0, 0, 1, 0 };
   unsigned char read_buffer[] = { 0x00, 0x5A, 0x00, 0x00, 0, 0, 0, 0 };
 
   MockWrite data_writes[] = {
     MockWrite(ASYNC, reinterpret_cast<char*>(write_buffer),
               arraysize(write_buffer)),
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n")
   };
 
   MockRead data_reads[] = {
     MockRead(ASYNC, reinterpret_cast<char*>(read_buffer),
              arraysize(read_buffer)),
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n\r\n"),
     MockRead("Payload"),
     MockRead(SYNCHRONOUS, OK)
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
 
   std::string response_text;
   rv = ReadTransaction(trans.get(), &response_text);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("Payload", response_text);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, SOCKS5_HTTP_GET) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("socks5://myproxy:1080"));
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   const char kSOCKS5GreetRequest[] = { 0x05, 0x01, 0x00 };
   const char kSOCKS5GreetResponse[] = { 0x05, 0x00 };
   const char kSOCKS5OkRequest[] = {
     0x05,  // Version
     0x01,  // Command (CONNECT)
@@ skipping 19 matching lines @@
     MockRead(ASYNC, kSOCKS5GreetResponse, arraysize(kSOCKS5GreetResponse)),
     MockRead(ASYNC, kSOCKS5OkResponse, arraysize(kSOCKS5OkResponse)),
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n\r\n"),
     MockRead("Payload"),
     MockRead(SYNCHRONOUS, OK)
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
 
   std::string response_text;
   rv = ReadTransaction(trans.get(), &response_text);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("Payload", response_text);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, SOCKS5_SSL_GET) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("socks5://myproxy:1080"));
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   const char kSOCKS5GreetRequest[] = { 0x05, 0x01, 0x00 };
   const char kSOCKS5GreetResponse[] = { 0x05, 0x00 };
   const unsigned char kSOCKS5OkRequest[] = {
     0x05,  // Version
     0x01,  // Command (CONNECT)
@@ skipping 21 matching lines @@
     MockRead(ASYNC, kSOCKS5GreetResponse, arraysize(kSOCKS5GreetResponse)),
     MockRead(ASYNC, kSOCKS5OkResponse, arraysize(kSOCKS5OkResponse)),
     MockRead("HTTP/1.0 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n\r\n"),
     MockRead("Payload"),
     MockRead(SYNCHRONOUS, OK)
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 10 matching lines @@
 // Tests that for connection endpoints the group names are correctly set.
 
 struct GroupNameTest {
   std::string proxy_server;
   std::string url;
   std::string expected_group_name;
   bool ssl;
 };
 
 scoped_refptr<HttpNetworkSession> SetupSessionForGroupNameTests(
-    SessionDependencies* session_deps) {
+    SpdySessionDependencies* session_deps) {
   scoped_refptr<HttpNetworkSession> session(CreateSession(session_deps));
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   http_server_properties->SetAlternateProtocol(
       HostPortPair("host.with.alternate", 80), 443,
       NPN_SPDY_2);
 
   return session;
 }
@@ skipping 48 matching lines @@
       "",  // unused
       "http://host.with.alternate/direct",
       "ssl/host.with.alternate:443",
       true,
     },
   };
 
   HttpStreamFactory::set_use_alternate_protocols(true);
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
-    SessionDependencies session_deps(
+    SpdySessionDependencies session_deps(
         ProxyService::CreateFixed(tests[i].proxy_server));
     scoped_refptr<HttpNetworkSession> session(
         SetupSessionForGroupNameTests(&session_deps));
 
     HttpNetworkSessionPeer peer(session);
     CaptureGroupNameTransportSocketPool* transport_conn_pool =
         new CaptureGroupNameTransportSocketPool(NULL, NULL);
     CaptureGroupNameSSLSocketPool* ssl_conn_pool =
         new CaptureGroupNameSSLSocketPool(NULL, NULL);
     MockClientSocketPoolManager* mock_pool_manager =
@@ skipping 36 matching lines @@
       "http_proxy",
       "http://host.with.alternate/direct",
       "ssl/host.with.alternate:443",
       true,
     },
   };
 
   HttpStreamFactory::set_use_alternate_protocols(true);
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
-    SessionDependencies session_deps(
+    SpdySessionDependencies session_deps(
         ProxyService::CreateFixed(tests[i].proxy_server));
     scoped_refptr<HttpNetworkSession> session(
         SetupSessionForGroupNameTests(&session_deps));
 
     HttpNetworkSessionPeer peer(session);
 
     HostPortPair proxy_host("http_proxy", 80);
     CaptureGroupNameHttpProxySocketPool* http_proxy_pool =
         new CaptureGroupNameHttpProxySocketPool(NULL, NULL);
     CaptureGroupNameSSLSocketPool* ssl_conn_pool =
@@ skipping 51 matching lines @@
       "socks4://socks_proxy:1080",
       "http://host.with.alternate/direct",
       "socks4/ssl/host.with.alternate:443",
       true,
     },
   };
 
   HttpStreamFactory::set_use_alternate_protocols(true);
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
-    SessionDependencies session_deps(
+    SpdySessionDependencies session_deps(
         ProxyService::CreateFixed(tests[i].proxy_server));
     scoped_refptr<HttpNetworkSession> session(
         SetupSessionForGroupNameTests(&session_deps));
 
     HttpNetworkSessionPeer peer(session);
 
     HostPortPair proxy_host("socks_proxy", 1080);
     CaptureGroupNameSOCKSSocketPool* socks_conn_pool =
         new CaptureGroupNameSOCKSSocketPool(NULL, NULL);
     CaptureGroupNameSSLSocketPool* ssl_conn_pool =
@@ skipping 18 matching lines @@
   }
 
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, ReconsiderProxyAfterFailedConnection) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
 
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("myproxy:70;foobar:80"));
 
   // This simulates failure resolving all hostnames; that means we will fail
   // connecting to both proxies (myproxy:70 and foobar:80).
   session_deps.host_resolver->rules()->AddSimulatedFailure("*");
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_PROXY_CONNECTION_FAILED, rv);
 }
 
 namespace {
 
 // Base test to make sure that when the load flags for a request specify to
 // bypass the cache, the DNS cache is not used.
 void BypassHostCacheOnRefreshHelper(int load_flags) {
   // Issue a request, asking to bypass the cache(s).
   HttpRequestInfo request;
   request.method = "GET";
   request.load_flags = load_flags;
   request.url = GURL("http://www.google.com/");
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   // Select a host resolver that does caching.
   session_deps.host_resolver.reset(new MockCachingHostResolver);
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(
       CreateSession(&session_deps)));
 
   // Warm up the host cache so it has an entry for "www.google.com".
   AddressList addrlist;
   TestCompletionCallback callback;
@@ skipping 13 matching lines @@
 
   // Inject a failure the next time that "www.google.com" is resolved. This way
   // we can tell if the next lookup hit the cache, or the "network".
   // (cache --> success, "network" --> failure).
   session_deps.host_resolver->rules()->AddSimulatedFailure("www.google.com");
 
   // Connect up a mock socket which will fail with ERR_UNEXPECTED during the
   // first read -- this won't be reached as the host resolution will fail first.
   MockRead data_reads[] = { MockRead(SYNCHRONOUS, ERR_UNEXPECTED) };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   // Run the request.
   rv = trans->Start(&request, callback.callback(), BoundNetLog());
   ASSERT_EQ(ERR_IO_PENDING, rv);
   rv = callback.WaitForResult();
 
   // If we bypassed the cache, we would have gotten a failure while resolving
   // "www.google.com".
   EXPECT_EQ(ERR_NAME_NOT_RESOLVED, rv);
 }
 
 }  // namespace
 
 // There are multiple load flags that should trigger the host cache bypass.
 // Test each in isolation:
 TEST_F(HttpNetworkTransactionSpdy2Test, BypassHostCacheOnRefresh1) {
   BypassHostCacheOnRefreshHelper(LOAD_BYPASS_CACHE);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BypassHostCacheOnRefresh2) {
   BypassHostCacheOnRefreshHelper(LOAD_VALIDATE_CACHE);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, BypassHostCacheOnRefresh3) {
   BypassHostCacheOnRefreshHelper(LOAD_DISABLE_CACHE);
 }
 
 // Make sure we can handle an error when writing the request.
 TEST_F(HttpNetworkTransactionSpdy2Test, RequestWriteError) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.foo.com/");
   request.load_flags = 0;
 
   MockWrite write_failure[] = {
     MockWrite(ASYNC, ERR_CONNECTION_RESET),
   };
   StaticSocketDataProvider data(NULL, 0,
                                 write_failure, arraysize(write_failure));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_CONNECTION_RESET, rv);
 }
 
 // Check that a connection closed after the start of the headers finishes ok.
 TEST_F(HttpNetworkTransactionSpdy2Test, ConnectionClosedAfterStartOfHeaders) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.foo.com/");
   request.load_flags = 0;
 
   MockRead data_reads[] = {
     MockRead("HTTP/1."),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
 
   EXPECT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.0 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("", response_data);
 }
 
 // Make sure that a dropped connection while draining the body for auth
 // restart does the right thing.
 TEST_F(HttpNetworkTransactionSpdy2Test, DrainResetOK) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 401 Unauthorized\r\n"),
     MockRead("WWW-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 14\r\n\r\n"),
     MockRead("Unauth"),
     MockRead(ASYNC, ERR_CONNECTION_RESET),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   // After calling trans->RestartWithAuth(), this is the request we should
   // be issuing -- the final header line contains the credentials.
   MockWrite data_writes2[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Authorization: Basic Zm9vOmJhcg==\r\n\r\n"),
   };
 
   // Lastly, the server responds with the actual content.
   MockRead data_reads2[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 12 matching lines @@
   EXPECT_EQ(OK, rv);
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
   EXPECT_EQ(100, response->headers->GetContentLength());
 }
 
 // Test HTTPS connections going through a proxy that sends extra data.
 TEST_F(HttpNetworkTransactionSpdy2Test, HTTPSViaProxyWithExtraData) {
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockRead proxy_reads[] = {
     MockRead("HTTP/1.0 200 Connected\r\n\r\nExtra data"),
     MockRead(SYNCHRONOUS, OK)
   };
 
   StaticSocketDataProvider data(proxy_reads, arraysize(proxy_reads), NULL, 0);
   SSLSocketDataProvider ssl(ASYNC, OK);
 
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback;
 
-  session_deps.socket_factory.ResetNextMockIndexes();
+  session_deps.socket_factory->ResetNextMockIndexes();
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_TUNNEL_CONNECTION_FAILED, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, LargeContentLengthThenClose) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\nContent-Length:6719476739\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
@@ skipping 16 matching lines @@
   scoped_refptr<UploadData> upload_data(new UploadData());
   upload_data->AppendFileRange(temp_file_path, 0, kuint64max, base::Time());
   UploadDataStream upload_data_stream(upload_data);
 
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.google.com/upload");
   request.upload_data_stream = &upload_data_stream;
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 23 matching lines @@
   UploadDataStream upload_data_stream(upload_data);
 
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.google.com/upload");
   request.upload_data_stream = &upload_data_stream;
   request.load_flags = 0;
 
   // If we try to upload an unreadable file, the network stack should report
   // the file size as zero and upload zero bytes for that file.
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
   MockWrite data_writes[] = {
     MockWrite("POST /upload HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Content-Length: 0\r\n\r\n"),
     MockWrite(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), data_writes,
                                 arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 15 matching lines @@
   scoped_refptr<UploadData> upload_data(new UploadData());
   upload_data->AppendFileRange(temp_file, 0, kuint64max, base::Time());
   UploadDataStream upload_data_stream(upload_data);
 
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.google.com/upload");
   request.upload_data_stream = &upload_data_stream;
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 401 Unauthorized\r\n"),
     MockRead("WWW-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
     MockRead("Content-Length: 0\r\n\r\n"),  // No response body.
 
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Length: 0\r\n\r\n"),
@@ skipping 10 matching lines @@
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n"
               "Content-Length: 0\r\n"
               "Authorization: Basic Zm9vOmJhcg==\r\n\r\n"),
     MockWrite(SYNCHRONOUS, unreadable_contents.c_str(),
               temp_file_contents.length()),
     MockWrite(SYNCHRONOUS, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), data_writes,
                                 arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback1;
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 18 matching lines @@
   ASSERT_TRUE(response != NULL);
   EXPECT_TRUE(response->headers != NULL);
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   file_util::Delete(temp_file, false);
 }
 
 // Tests that changes to Auth realms are treated like auth rejections.
 TEST_F(HttpNetworkTransactionSpdy2Test, ChangeAuthRealms) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   // First transaction will request a resource and receive a Basic challenge
   // with realm="first_realm".
   MockWrite data_writes1[] = {
     MockWrite("GET / HTTP/1.1\r\n"
@@ skipping 55 matching lines @@
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
   StaticSocketDataProvider data3(data_reads3, arraysize(data_reads3),
                                  data_writes3, arraysize(data_writes3));
   StaticSocketDataProvider data4(data_reads4, arraysize(data_reads4),
                                  data_writes4, arraysize(data_writes4));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
-  session_deps.socket_factory.AddSocketDataProvider(&data3);
-  session_deps.socket_factory.AddSocketDataProvider(&data4);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data3);
+  session_deps.socket_factory->AddSocketDataProvider(&data4);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   // Issue the first request with Authorize headers. There should be a
   // password prompt for first_realm waiting to be filled in after the
   // transaction completes.
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
@@ skipping 55 matching lines @@
   EXPECT_EQ(OK, rv);
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, HonorAlternateProtocolHeader) {
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
   HttpStreamFactory::set_use_alternate_protocols(true);
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead(kAlternateProtocolHttpHeader),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
 
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   HostPortPair http_host_port_pair("www.google.com", 80);
@@ skipping 23 matching lines @@
   expected_alternate.protocol = NPN_SPDY_2;
   EXPECT_TRUE(expected_alternate.Equals(alternate));
 
   HttpStreamFactory::set_use_alternate_protocols(false);
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        MarkBrokenAlternateProtocolAndFallback) {
   HttpStreamFactory::set_use_alternate_protocols(true);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   MockConnect mock_connect(ASYNC, ERR_CONNECTION_REFUSED);
   StaticSocketDataProvider first_data;
   first_data.set_connect_data(mock_connect);
-  session_deps.socket_factory.AddSocketDataProvider(&first_data);
+  session_deps.socket_factory->AddSocketDataProvider(&first_data);
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(ASYNC, OK),
   };
   StaticSocketDataProvider second_data(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&second_data);
+  session_deps.socket_factory->AddSocketDataProvider(&second_data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   // Port must be < 1024, or the header will be ignored (since initial port was
   // port 80 (another restricted port).
   http_server_properties->SetAlternateProtocol(
       HostPortPair::FromURL(request.url),
       666 /* port is ignored by MockConnect anyway */,
@@ skipping 24 matching lines @@
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        AlternateProtocolPortRestrictedBlocked) {
   // Ensure that we're not allowed to redirect traffic via an alternate
   // protocol to an unrestricted (port >= 1024) when the original traffic was
   // on a restricted port (port < 1024).  Ensure that we can redirect in all
   // other cases.
   HttpStreamFactory::set_use_alternate_protocols(true);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo restricted_port_request;
   restricted_port_request.method = "GET";
   restricted_port_request.url = GURL("http://www.google.com:1023/");
   restricted_port_request.load_flags = 0;
 
   MockConnect mock_connect(ASYNC, ERR_CONNECTION_REFUSED);
   StaticSocketDataProvider first_data;
   first_data.set_connect_data(mock_connect);
-  session_deps.socket_factory.AddSocketDataProvider(&first_data);
+  session_deps.socket_factory->AddSocketDataProvider(&first_data);
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(ASYNC, OK),
   };
   StaticSocketDataProvider second_data(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&second_data);
+  session_deps.socket_factory->AddSocketDataProvider(&second_data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   const int kUnrestrictedAlternatePort = 1024;
   http_server_properties->SetAlternateProtocol(
       HostPortPair::FromURL(restricted_port_request.url),
       kUnrestrictedAlternatePort,
       NPN_SPDY_2);
@@ skipping 10 matching lines @@
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        AlternateProtocolPortRestrictedAllowed) {
   // Ensure that we're not allowed to redirect traffic via an alternate
   // protocol to an unrestricted (port >= 1024) when the original traffic was
   // on a restricted port (port < 1024).  Ensure that we can redirect in all
   // other cases.
   HttpStreamFactory::set_use_alternate_protocols(true);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo restricted_port_request;
   restricted_port_request.method = "GET";
   restricted_port_request.url = GURL("http://www.google.com:1023/");
   restricted_port_request.load_flags = 0;
 
   MockConnect mock_connect(ASYNC, ERR_CONNECTION_REFUSED);
   StaticSocketDataProvider first_data;
   first_data.set_connect_data(mock_connect);
-  session_deps.socket_factory.AddSocketDataProvider(&first_data);
+  session_deps.socket_factory->AddSocketDataProvider(&first_data);
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(ASYNC, OK),
   };
   StaticSocketDataProvider second_data(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&second_data);
+  session_deps.socket_factory->AddSocketDataProvider(&second_data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   const int kRestrictedAlternatePort = 80;
   http_server_properties->SetAlternateProtocol(
       HostPortPair::FromURL(restricted_port_request.url),
       kRestrictedAlternatePort,
       NPN_SPDY_2);
@@ skipping 10 matching lines @@
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        AlternateProtocolPortUnrestrictedAllowed1) {
   // Ensure that we're not allowed to redirect traffic via an alternate
   // protocol to an unrestricted (port >= 1024) when the original traffic was
   // on a restricted port (port < 1024).  Ensure that we can redirect in all
   // other cases.
   HttpStreamFactory::set_use_alternate_protocols(true);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo unrestricted_port_request;
   unrestricted_port_request.method = "GET";
   unrestricted_port_request.url = GURL("http://www.google.com:1024/");
   unrestricted_port_request.load_flags = 0;
 
   MockConnect mock_connect(ASYNC, ERR_CONNECTION_REFUSED);
   StaticSocketDataProvider first_data;
   first_data.set_connect_data(mock_connect);
-  session_deps.socket_factory.AddSocketDataProvider(&first_data);
+  session_deps.socket_factory->AddSocketDataProvider(&first_data);
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(ASYNC, OK),
   };
   StaticSocketDataProvider second_data(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&second_data);
+  session_deps.socket_factory->AddSocketDataProvider(&second_data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   const int kRestrictedAlternatePort = 80;
   http_server_properties->SetAlternateProtocol(
       HostPortPair::FromURL(unrestricted_port_request.url),
       kRestrictedAlternatePort,
       NPN_SPDY_2);
@@ skipping 10 matching lines @@
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        AlternateProtocolPortUnrestrictedAllowed2) {
   // Ensure that we're not allowed to redirect traffic via an alternate
   // protocol to an unrestricted (port >= 1024) when the original traffic was
   // on a restricted port (port < 1024).  Ensure that we can redirect in all
   // other cases.
   HttpStreamFactory::set_use_alternate_protocols(true);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo unrestricted_port_request;
   unrestricted_port_request.method = "GET";
   unrestricted_port_request.url = GURL("http://www.google.com:1024/");
   unrestricted_port_request.load_flags = 0;
 
   MockConnect mock_connect(ASYNC, ERR_CONNECTION_REFUSED);
   StaticSocketDataProvider first_data;
   first_data.set_connect_data(mock_connect);
-  session_deps.socket_factory.AddSocketDataProvider(&first_data);
+  session_deps.socket_factory->AddSocketDataProvider(&first_data);
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(ASYNC, OK),
   };
   StaticSocketDataProvider second_data(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&second_data);
+  session_deps.socket_factory->AddSocketDataProvider(&second_data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   const int kUnrestrictedAlternatePort = 1024;
   http_server_properties->SetAlternateProtocol(
       HostPortPair::FromURL(unrestricted_port_request.url),
       kUnrestrictedAlternatePort,
       NPN_SPDY_2);
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   TestCompletionCallback callback;
 
   int rv = trans->Start(
       &unrestricted_port_request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // Valid change to an unrestricted port should pass.
   EXPECT_EQ(OK, callback.WaitForResult());
 
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        AlternateProtocolUnsafeBlocked) {
   // Ensure that we're not allowed to redirect traffic via an alternate
   // protocol to an unsafe port, and that we resume the second
   // HttpStreamFactoryImpl::Job once the alternate protocol request fails.
   HttpStreamFactory::set_use_alternate_protocols(true);
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   // The alternate protocol request will error out before we attempt to connect,
   // so only the standard HTTP request will try to connect.
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(ASYNC, OK),
   };
   StaticSocketDataProvider data(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   const int kUnsafePort = 7;
   http_server_properties->SetAlternateProtocol(
       HostPortPair::FromURL(request.url),
       kUnsafePort,
       NPN_SPDY_2);
@@ skipping 15 matching lines @@
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello world", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, UseAlternateProtocolForNpnSpdy) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead(kAlternateProtocolHttpHeader),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
     MockRead(ASYNC, OK)
   };
 
   StaticSocketDataProvider first_transaction(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&first_transaction);
+  session_deps.socket_factory->AddSocketDataProvider(&first_transaction);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> req(ConstructSpdyGet(NULL, 0, false, 1, LOWEST));
   MockWrite spdy_writes[] = { CreateMockWrite(*req) };
 
   scoped_ptr<SpdyFrame> resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> data(ConstructSpdyBodyFrame(1, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*resp),
     CreateMockRead(*data),
     MockRead(ASYNC, 0, 0),
   };
 
   DelayedSocketData spdy_data(
       1,  // wait for one write to finish before reading.
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   MockConnect never_finishing_connect(SYNCHRONOUS, ERR_IO_PENDING);
   StaticSocketDataProvider hanging_non_alternate_protocol_socket(
       NULL, 0, NULL, 0);
   hanging_non_alternate_protocol_socket.set_connect_data(
       never_finishing_connect);
-  session_deps.socket_factory.AddSocketDataProvider(
+  session_deps.socket_factory->AddSocketDataProvider(
       &hanging_non_alternate_protocol_socket);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
@@ skipping 23 matching lines @@
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello!", response_data);
 
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, AlternateProtocolWithSpdyLateBinding) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead(kAlternateProtocolHttpHeader),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
     MockRead(ASYNC, OK),
   };
 
   StaticSocketDataProvider first_transaction(
       data_reads, arraysize(data_reads), NULL, 0);
   // Socket 1 is the HTTP transaction with the Alternate-Protocol header.
-  session_deps.socket_factory.AddSocketDataProvider(&first_transaction);
+  session_deps.socket_factory->AddSocketDataProvider(&first_transaction);
 
   MockConnect never_finishing_connect(SYNCHRONOUS, ERR_IO_PENDING);
   StaticSocketDataProvider hanging_socket(
       NULL, 0, NULL, 0);
   hanging_socket.set_connect_data(never_finishing_connect);
   // Socket 2 and 3 are the hanging Alternate-Protocol and
   // non-Alternate-Protocol jobs from the 2nd transaction.
-  session_deps.socket_factory.AddSocketDataProvider(&hanging_socket);
-  session_deps.socket_factory.AddSocketDataProvider(&hanging_socket);
+  session_deps.socket_factory->AddSocketDataProvider(&hanging_socket);
+  session_deps.socket_factory->AddSocketDataProvider(&hanging_socket);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> req1(ConstructSpdyGet(NULL, 0, false, 1, LOWEST));
   scoped_ptr<SpdyFrame> req2(ConstructSpdyGet(NULL, 0, false, 3, LOWEST));
   MockWrite spdy_writes[] = {
     CreateMockWrite(*req1),
     CreateMockWrite(*req2),
   };
   scoped_ptr<SpdyFrame> resp1(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> data1(ConstructSpdyBodyFrame(1, true));
   scoped_ptr<SpdyFrame> resp2(ConstructSpdyGetSynReply(NULL, 0, 3));
   scoped_ptr<SpdyFrame> data2(ConstructSpdyBodyFrame(3, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*resp1),
     CreateMockRead(*data1),
     CreateMockRead(*resp2),
     CreateMockRead(*data2),
     MockRead(ASYNC, 0, 0),
   };
 
   DelayedSocketData spdy_data(
       2,  // wait for writes to finish before reading.
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
   // Socket 4 is the successful Alternate-Protocol for transaction 3.
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   // Socket 5 is the unsuccessful non-Alternate-Protocol for transaction 3.
-  session_deps.socket_factory.AddSocketDataProvider(&hanging_socket);
+  session_deps.socket_factory->AddSocketDataProvider(&hanging_socket);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   TestCompletionCallback callback1;
   HttpNetworkTransaction trans1(session);
 
   int rv = trans1.Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback1.WaitForResult());
 
   const HttpResponseInfo* response = trans1.GetResponseInfo();
@@ skipping 36 matching lines @@
   ASSERT_EQ(OK, ReadTransaction(&trans3, &response_data));
   EXPECT_EQ("hello!", response_data);
 
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, StallAlternateProtocolForNpnSpdy) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead(kAlternateProtocolHttpHeader),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
     MockRead(ASYNC, OK),
   };
 
   StaticSocketDataProvider first_transaction(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&first_transaction);
+  session_deps.socket_factory->AddSocketDataProvider(&first_transaction);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   MockConnect never_finishing_connect(SYNCHRONOUS, ERR_IO_PENDING);
   StaticSocketDataProvider hanging_alternate_protocol_socket(
       NULL, 0, NULL, 0);
   hanging_alternate_protocol_socket.set_connect_data(
       never_finishing_connect);
-  session_deps.socket_factory.AddSocketDataProvider(
+  session_deps.socket_factory->AddSocketDataProvider(
       &hanging_alternate_protocol_socket);
 
   // 2nd request is just a copy of the first one, over HTTP again.
-  session_deps.socket_factory.AddSocketDataProvider(&first_transaction);
+  session_deps.socket_factory->AddSocketDataProvider(&first_transaction);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
@@ skipping 79 matching lines @@
        UseAlternateProtocolForTunneledNpnSpdy) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
 
   ProxyConfig proxy_config;
   proxy_config.set_auto_detect(true);
   proxy_config.set_pac_url(GURL("http://fooproxyurl"));
 
   CapturingProxyResolver* capturing_proxy_resolver =
       new CapturingProxyResolver();
-  SessionDependencies session_deps(new ProxyService(
+  SpdySessionDependencies session_deps(new ProxyService(
       new ProxyConfigServiceFixed(proxy_config), capturing_proxy_resolver,
       NULL));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead(kAlternateProtocolHttpHeader),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
     MockRead(ASYNC, OK),
   };
 
   StaticSocketDataProvider first_transaction(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&first_transaction);
+  session_deps.socket_factory->AddSocketDataProvider(&first_transaction);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> req(ConstructSpdyGet(NULL, 0, false, 1, LOWEST));
   MockWrite spdy_writes[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),  // 0
     CreateMockWrite(*req)  // 3
   };
 
   const char kCONNECTResponse[] = "HTTP/1.1 200 Connected\r\n\r\n";
 
   scoped_ptr<SpdyFrame> resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> data(ConstructSpdyBodyFrame(1, true));
   MockRead spdy_reads[] = {
     MockRead(ASYNC, kCONNECTResponse, arraysize(kCONNECTResponse) - 1, 1),  // 1
     CreateMockRead(*resp.get(), 4),  // 2, 4
     CreateMockRead(*data.get(), 4),  // 5
     MockRead(ASYNC, 0, 0, 4),  // 6
   };
 
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   MockConnect never_finishing_connect(SYNCHRONOUS, ERR_IO_PENDING);
   StaticSocketDataProvider hanging_non_alternate_protocol_socket(
       NULL, 0, NULL, 0);
   hanging_non_alternate_protocol_socket.set_connect_data(
       never_finishing_connect);
-  session_deps.socket_factory.AddSocketDataProvider(
+  session_deps.socket_factory->AddSocketDataProvider(
       &hanging_non_alternate_protocol_socket);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
@@ skipping 31 matching lines @@
             capturing_proxy_resolver->resolved()[1].spec());
 
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test,
        UseAlternateProtocolForNpnSpdyWithExistingSpdySession) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead(kAlternateProtocolHttpHeader),
     MockRead("hello world"),
     MockRead(ASYNC, OK),
   };
 
   StaticSocketDataProvider first_transaction(
       data_reads, arraysize(data_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&first_transaction);
+  session_deps.socket_factory->AddSocketDataProvider(&first_transaction);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> req(ConstructSpdyGet(NULL, 0, false, 1, LOWEST));
   MockWrite spdy_writes[] = { CreateMockWrite(*req) };
 
   scoped_ptr<SpdyFrame> resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> data(ConstructSpdyBodyFrame(1, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*resp),
     CreateMockRead(*data),
     MockRead(ASYNC, 0, 0),
   };
 
   DelayedSocketData spdy_data(
       1,  // wait for one write to finish before reading.
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
@@ skipping 25 matching lines @@
                              session->GetTransportSocketPool(
                                  HttpNetworkSession::NORMAL_SOCKET_POOL),
                              BoundNetLog()));
   EXPECT_EQ(OK, callback.WaitForResult());
 
   SSLConfig ssl_config;
   session->ssl_config_service()->GetSSLConfig(&ssl_config);
   scoped_ptr<ClientSocketHandle> ssl_connection(new ClientSocketHandle);
   SSLClientSocketContext context;
   context.cert_verifier = session_deps.cert_verifier.get();
-  ssl_connection->set_socket(session_deps.socket_factory.CreateSSLClientSocket(
+  ssl_connection->set_socket(session_deps.socket_factory->CreateSSLClientSocket(
       connection.release(), HostPortPair("" , 443), ssl_config, context));
   EXPECT_EQ(ERR_IO_PENDING,
             ssl_connection->socket()->Connect(callback.callback()));
   EXPECT_EQ(OK, callback.WaitForResult());
 
   EXPECT_EQ(OK, spdy_session->InitializeWithSocket(ssl_connection.release(),
                                                    true, OK));
 
   trans.reset(new HttpNetworkTransaction(session));
 
@@ skipping 311 matching lines @@
         TestRound(kConnectProxyAuth, kProxyConnected, OK,
                   &kGet, &kServerChallenge),
         TestRound(kGetAuth, kSuccess, OK)}},
     { kProxy, AUTH_ASYNC, OK, kSecureServer, AUTH_ASYNC, kAuthErr, 3, 1,
       { TestRound(kConnect, kProxyChallenge, OK),
         TestRound(kConnectProxyAuth, kProxyConnected, OK,
                   &kGet, &kServerChallenge),
         TestRound(kGetAuth, kFailure, kAuthErr)}},
   };
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_configs); ++i) {
     HttpAuthHandlerMock::Factory* auth_factory(
         new HttpAuthHandlerMock::Factory());
     session_deps.http_auth_handler_factory.reset(auth_factory);
     const TestConfig& test_config = test_configs[i];
 
     // Set up authentication handlers as necessary.
     if (test_config.proxy_auth_timing != AUTH_NONE) {
       for (int n = 0; n < 2; n++) {
         HttpAuthHandlerMock* auth_handler(new HttpAuthHandlerMock());
@@ skipping 51 matching lines @@
 
       MockWrite writes[2];
       writes[0] = read_write_round.write;
       size_t length_writes = 1;
       if (read_write_round.extra_write) {
         writes[1] = *read_write_round.extra_write;
         length_writes = 2;
       }
       StaticSocketDataProvider data_provider(
           reads, length_reads, writes, length_writes);
-      session_deps.socket_factory.AddSocketDataProvider(&data_provider);
+      session_deps.socket_factory->AddSocketDataProvider(&data_provider);
 
       // Add an SSL sequence if necessary.
       SSLSocketDataProvider ssl_socket_data_provider(SYNCHRONOUS, OK);
       if (round >= test_config.first_ssl_round)
-        session_deps.socket_factory.AddSSLSocketDataProvider(
+        session_deps.socket_factory->AddSSLSocketDataProvider(
             &ssl_socket_data_provider);
 
       // Start or restart the transaction.
       TestCompletionCallback callback;
       int rv;
       if (round == 0) {
         rv = trans.Start(&request, callback.callback(), BoundNetLog());
       } else {
         rv = trans.RestartWithAuth(
             AuthCredentials(kFoo, kBar), callback.callback());
@@ skipping 15 matching lines @@
         EXPECT_FALSE(response->auth_challenge.get() == NULL);
       } else {
         EXPECT_TRUE(response->auth_challenge.get() == NULL);
       }
     }
   }
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, MultiRoundAuth) {
   // Do multi-round authentication and make sure it works correctly.
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   HttpAuthHandlerMock::Factory* auth_factory(
       new HttpAuthHandlerMock::Factory());
   session_deps.http_auth_handler_factory.reset(auth_factory);
   session_deps.proxy_service.reset(ProxyService::CreateDirect());
   session_deps.host_resolver->rules()->AddRule("www.example.com", "10.0.0.1");
   session_deps.host_resolver->set_synchronous_mode(true);
 
   HttpAuthHandlerMock* auth_handler(new HttpAuthHandlerMock());
   auth_handler->set_connection_based(true);
   std::string auth_challenge = "Mock realm=server";
@@ skipping 16 matching lines @@
   // Use a TCP Socket Pool with only one connection per group. This is used
   // to validate that the TCP socket is not released to the pool between
   // each round of multi-round authentication.
   HttpNetworkSessionPeer session_peer(session);
   ClientSocketPoolHistograms transport_pool_histograms("SmallTCP");
   TransportClientSocketPool* transport_pool = new TransportClientSocketPool(
       50,  // Max sockets for pool
       1,   // Max sockets per group
       &transport_pool_histograms,
       session_deps.host_resolver.get(),
-      &session_deps.socket_factory,
+      session_deps.socket_factory.get(),
       session_deps.net_log);
   MockClientSocketPoolManager* mock_pool_manager =
       new MockClientSocketPoolManager;
   mock_pool_manager->SetTransportSocketPool(transport_pool);
   session_peer.SetClientSocketPoolManager(mock_pool_manager);
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   TestCompletionCallback callback;
 
   const MockWrite kGet(
@@ skipping 37 matching lines @@
     kServerChallenge,
     // Third round
     kServerChallenge,
     // Fourth round
     kSuccess,
     // Competing response
     kSuccess,
   };
   StaticSocketDataProvider data_provider(reads, arraysize(reads),
                                          writes, arraysize(writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data_provider);
+  session_deps.socket_factory->AddSocketDataProvider(&data_provider);
 
   const char* const kSocketGroup = "www.example.com:80";
 
   // First round of authentication.
   auth_handler->SetGenerateExpectation(false, OK);
   rv = trans->Start(&request, callback.callback(), BoundNetLog());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   response = trans->GetResponseInfo();
@@ skipping 102 matching lines @@
 
 // Test that we restart a connection when we see a decompression failure from
 // the peer during the handshake. (In the real world we'll restart with SSLv3
 // and we won't offer DEFLATE in that case.)
 TEST_F(HttpNetworkTransactionSpdy2Test, RestartAfterTLSDecompressionFailure) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://tlsdecompressionfailure.example.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   TLSDecompressionFailureSocketDataProvider socket_data_provider1(
       false /* fail all reads */);
   TLSDecompressionFailureSocketDataProvider socket_data_provider2(false);
   SSLSocketDataProvider ssl_socket_data_provider1(
       SYNCHRONOUS, ERR_SSL_DECOMPRESSION_FAILURE_ALERT);
   SSLSocketDataProvider ssl_socket_data_provider2(SYNCHRONOUS, OK);
-  session_deps.socket_factory.AddSocketDataProvider(&socket_data_provider1);
-  session_deps.socket_factory.AddSocketDataProvider(&socket_data_provider2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(
+  session_deps.socket_factory->AddSocketDataProvider(&socket_data_provider1);
+  session_deps.socket_factory->AddSocketDataProvider(&socket_data_provider2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(
       &ssl_socket_data_provider1);
-  session_deps.socket_factory.AddSSLSocketDataProvider(
+  session_deps.socket_factory->AddSSLSocketDataProvider(
       &ssl_socket_data_provider2);
 
   // Work around http://crbug.com/37454
   StaticSocketDataProvider bug37454_connection;
   bug37454_connection.set_connect_data(MockConnect(ASYNC, ERR_UNEXPECTED));
-  session_deps.socket_factory.AddSocketDataProvider(&bug37454_connection);
+  session_deps.socket_factory->AddSocketDataProvider(&bug37454_connection);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 10 matching lines @@
 // peer while reading the first bytes from the connection. This occurs when the
 // peer cannot handle DEFLATE but we're using False Start, so we don't notice
 // in the handshake.
 TEST_F(HttpNetworkTransactionSpdy2Test,
        RestartAfterTLSDecompressionFailureWithFalseStart) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://tlsdecompressionfailure2.example.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   TLSDecompressionFailureSocketDataProvider socket_data_provider1(
       true /* fail all reads */);
   TLSDecompressionFailureSocketDataProvider socket_data_provider2(false);
   SSLSocketDataProvider ssl_socket_data_provider1(SYNCHRONOUS, OK);
   SSLSocketDataProvider ssl_socket_data_provider2(SYNCHRONOUS, OK);
-  session_deps.socket_factory.AddSocketDataProvider(&socket_data_provider1);
-  session_deps.socket_factory.AddSocketDataProvider(&socket_data_provider2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(
+  session_deps.socket_factory->AddSocketDataProvider(&socket_data_provider1);
+  session_deps.socket_factory->AddSocketDataProvider(&socket_data_provider2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(
       &ssl_socket_data_provider1);
-  session_deps.socket_factory.AddSSLSocketDataProvider(
+  session_deps.socket_factory->AddSSLSocketDataProvider(
       &ssl_socket_data_provider2);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("ok.", response_data);
 }
 
 // This tests the case that a request is issued via http instead of spdy after
 // npn is negotiated.
 TEST_F(HttpNetworkTransactionSpdy2Test, NpnWithHttpOverSSL) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(
       MakeNextProtos("http/1.1", "http1.1", NULL));
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   MockWrite data_writes[] = {
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead(kAlternateProtocolHttpHeader),
     MockRead("hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.next_proto_status = SSLClientSocket::kNextProtoNegotiated;
   ssl.next_proto = "http/1.1";
   ssl.protocol_negotiated = kProtoHTTP11;
 
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
 
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
@@ skipping 13 matching lines @@
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, SpdyPostNPNServerHangup) {
   // Simulate the SSL handshake completing with an NPN negotiation
   // followed by an immediate server closing of the socket.
   // Fix crash:  http://crbug.com/46369
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> req(ConstructSpdyGet(NULL, 0, false, 1, LOWEST));
   MockWrite spdy_writes[] = { CreateMockWrite(*req) };
 
   MockRead spdy_reads[] = {
     MockRead(SYNCHRONOUS, 0, 0)   // Not async - return 0 immediately.
   };
 
   DelayedSocketData spdy_data(
       0,  // don't wait in this case, immediate hangup.
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(ERR_CONNECTION_CLOSED, callback.WaitForResult());
 
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy2Test, SpdyAlternateProtocolThroughProxy) {
   // This test ensures that the URL passed into the proxy is upgraded
   // to https when doing an Alternate Protocol upgrade.
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(
       MakeNextProtos(
           "http/1.1", "http1.1", "spdy/2", "spdy", NULL));
 
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   HttpAuthHandlerMock::Factory* auth_factory =
       new HttpAuthHandlerMock::Factory();
   HttpAuthHandlerMock* auth_handler = new HttpAuthHandlerMock();
   auth_factory->AddMockHandler(auth_handler, HttpAuth::AUTH_PROXY);
   auth_factory->set_do_init_from_challenge(true);
   session_deps.http_auth_handler_factory.reset(auth_factory);
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com");
@@ skipping 80 matching lines @@
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
 
   MockConnect never_finishing_connect(SYNCHRONOUS, ERR_IO_PENDING);
   StaticSocketDataProvider hanging_non_alternate_protocol_socket(
       NULL, 0, NULL, 0);
   hanging_non_alternate_protocol_socket.set_connect_data(
       never_finishing_connect);
 
-  session_deps.socket_factory.AddSocketDataProvider(&data_1);
-  session_deps.socket_factory.AddSocketDataProvider(&data_2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
-  session_deps.socket_factory.AddSocketDataProvider(
+  session_deps.socket_factory->AddSocketDataProvider(&data_1);
+  session_deps.socket_factory->AddSocketDataProvider(&data_2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(
       &hanging_non_alternate_protocol_socket);
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // First round should work and provide the Alternate-Protocol state.
   TestCompletionCallback callback_1;
   scoped_ptr<HttpTransaction> trans_1(new HttpNetworkTransaction(session));
   int rv = trans_1->Start(&request, callback_1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback_1.WaitForResult());
 
@@ skipping 37 matching lines @@
     MockRead(SYNCHRONOUS, "HTTP/1.0 200 OK\r\n\r\n"),
     MockRead(SYNCHRONOUS, "hello world"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   session_deps.host_resolver->set_synchronous_mode(true);
   scoped_ptr<HttpTransaction> trans(
       new HttpNetworkTransaction(CreateSession(&session_deps)));
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
   data.set_connect_data(mock_connect);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   CapturingBoundNetLog log;
   int rv = trans->Start(&request, callback.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   trans.reset();  // Cancel the transaction here.
 
   MessageLoop::current()->RunUntilIdle();
 }
 
 // Test a basic GET request through a proxy.
 TEST_F(HttpNetworkTransactionSpdy2Test, ProxyGet) {
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
 
   MockWrite data_writes1[] = {
     MockWrite("GET http://www.google.com/ HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
 
   EXPECT_TRUE(response->headers->IsKeepAlive());
   EXPECT_EQ(200, response->headers->response_code());
   EXPECT_EQ(100, response->headers->GetContentLength());
   EXPECT_TRUE(response->was_fetched_via_proxy);
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
 }
 
 // Test a basic HTTPS GET request through a proxy.
 TEST_F(HttpNetworkTransactionSpdy2Test, ProxyTunnelGet) {
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes1[] = {
@@ skipping 10 matching lines @@
     MockRead("HTTP/1.1 200 Connection Established\r\n\r\n"),
 
     MockRead("HTTP/1.1 200 OK\r\n"),
     MockRead("Content-Type: text/html; charset=iso-8859-1\r\n"),
     MockRead("Content-Length: 100\r\n\r\n"),
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
@@ skipping 13 matching lines @@
   EXPECT_TRUE(response->headers->IsKeepAlive());
   EXPECT_EQ(200, response->headers->response_code());
   EXPECT_EQ(100, response->headers->GetContentLength());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
   EXPECT_TRUE(response->was_fetched_via_proxy);
 }
 
 // Test a basic HTTPS GET request through a proxy, but the server hangs up
 // while establishing the tunnel.
 TEST_F(HttpNetworkTransactionSpdy2Test, ProxyTunnelGetHangup) {
-  SessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
+  SpdySessionDependencies session_deps(ProxyService::CreateFixed("myproxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
 
   // Since we have proxy, should try to establish tunnel.
   MockWrite data_writes1[] = {
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Proxy-Connection: keep-alive\r\n\r\n"),
 
     MockWrite("GET / HTTP/1.1\r\n"
               "Host: www.google.com\r\n"
               "Connection: keep-alive\r\n\r\n"),
   };
 
   MockRead data_reads1[] = {
     MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
     MockRead("HTTP/1.1 200 Connection Established\r\n\r\n"),
     MockRead(ASYNC, 0, 0),  // EOF
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(new HttpNetworkTransaction(session));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(ERR_EMPTY_RESPONSE, rv);
   net::CapturingNetLog::CapturedEntryList entries;
   log.GetEntries(&entries);
   size_t pos = ExpectLogContainsSomewhere(
       entries, 0, NetLog::TYPE_HTTP_TRANSACTION_SEND_TUNNEL_HEADERS,
       NetLog::PHASE_NONE);
   ExpectLogContainsSomewhere(
       entries, pos,
       NetLog::TYPE_HTTP_TRANSACTION_READ_TUNNEL_RESPONSE_HEADERS,
       NetLog::PHASE_NONE);
 }
 
 // Test for crbug.com/55424.
 TEST_F(HttpNetworkTransactionSpdy2Test, PreconnectWithExistingSpdySession) {
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   scoped_ptr<SpdyFrame> req(ConstructSpdyGet(
       "https://www.google.com", false, 1, LOWEST));
   MockWrite spdy_writes[] = { CreateMockWrite(*req) };
 
   scoped_ptr<SpdyFrame> resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> data(ConstructSpdyBodyFrame(1, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*resp),
     CreateMockRead(*data),
     MockRead(ASYNC, 0, 0),
   };
 
   DelayedSocketData spdy_data(
       1,  // wait for one write to finish before reading.
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Set up an initial SpdySession in the pool to reuse.
   HostPortPair host_port_pair("www.google.com", 443);
   HostPortProxyPair pair(host_port_pair, ProxyServer::Direct());
   scoped_refptr<SpdySession> spdy_session =
       session->spdy_session_pool()->Get(pair, BoundNetLog());
   scoped_refptr<TransportSocketParams> transport_params(
       new TransportSocketParams(host_port_pair, MEDIUM, false, false,
@@ skipping 28 matching lines @@
 }
 
 // Given a net error, cause that error to be returned from the first Write()
 // call and verify that the HttpTransaction fails with that error.
 static void CheckErrorIsPassedBack(int error, IoMode mode) {
   net::HttpRequestInfo request_info;
   request_info.url = GURL("https://www.example.com/");
   request_info.method = "GET";
   request_info.load_flags = net::LOAD_NORMAL;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   SSLSocketDataProvider ssl_data(mode, OK);
   net::MockWrite data_writes[] = {
     net::MockWrite(mode, error),
   };
   net::StaticSocketDataProvider data(NULL, 0,
                                      data_writes, arraysize(data_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&data);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   TestCompletionCallback callback;
   int rv = trans->Start(&request_info, callback.callback(), net::BoundNetLog());
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
   ASSERT_EQ(error, rv);
 }
@@ skipping 17 matching lines @@
 //  2) TLS False Start is disabled.
 //  3) The initial TLS handshake requests a client certificate.
 //  4) The client supplies an invalid/unacceptable certificate.
 TEST_F(HttpNetworkTransactionSpdy2Test,
        ClientAuthCertCache_Direct_NoFalseStart) {
   net::HttpRequestInfo request_info;
   request_info.url = GURL("https://www.example.com/");
   request_info.method = "GET";
   request_info.load_flags = net::LOAD_NORMAL;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   scoped_refptr<SSLCertRequestInfo> cert_request(new SSLCertRequestInfo());
   cert_request->host_and_port = "www.example.com:443";
 
   // [ssl_]data1 contains the data for the first SSL handshake. When a
   // CertificateRequest is received for the first time, the handshake will
   // be aborted to allow the caller to provide a certificate.
   SSLSocketDataProvider ssl_data1(ASYNC, net::ERR_SSL_CLIENT_AUTH_CERT_NEEDED);
   ssl_data1.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data1);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data1);
   net::StaticSocketDataProvider data1(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   // [ssl_]data2 contains the data for the second SSL handshake. When TLS
   // False Start is not being used, the result of the SSL handshake will be
   // returned as part of the SSLClientSocket::Connect() call. This test
   // matches the result of a server sending a handshake_failure alert,
   // rather than a Finished message, because it requires a client
   // certificate and none was supplied.
   SSLSocketDataProvider ssl_data2(ASYNC, net::ERR_SSL_PROTOCOL_ERROR);
   ssl_data2.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data2);
   net::StaticSocketDataProvider data2(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   // [ssl_]data3 contains the data for the third SSL handshake. When a
   // connection to a server fails during an SSL handshake,
   // HttpNetworkTransaction will attempt to fallback to TLSv1 if the previous
   // connection was attempted with TLSv1.1. This is transparent to the caller
   // of the HttpNetworkTransaction. Because this test failure is due to
   // requiring a client certificate, this fallback handshake should also
   // fail.
   SSLSocketDataProvider ssl_data3(ASYNC, net::ERR_SSL_PROTOCOL_ERROR);
   ssl_data3.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data3);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data3);
   net::StaticSocketDataProvider data3(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data3);
+  session_deps.socket_factory->AddSocketDataProvider(&data3);
 
   // [ssl_]data4 contains the data for the fourth SSL handshake. When a
   // connection to a server fails during an SSL handshake,
   // HttpNetworkTransaction will attempt to fallback to SSLv3 if the previous
   // connection was attempted with TLSv1. This is transparent to the caller
   // of the HttpNetworkTransaction. Because this test failure is due to
   // requiring a client certificate, this fallback handshake should also
   // fail.
   SSLSocketDataProvider ssl_data4(ASYNC, net::ERR_SSL_PROTOCOL_ERROR);
   ssl_data4.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data4);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data4);
   net::StaticSocketDataProvider data4(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data4);
+  session_deps.socket_factory->AddSocketDataProvider(&data4);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   // Begin the SSL handshake with the peer. This consumes ssl_data1.
   TestCompletionCallback callback;
   int rv = trans->Start(&request_info, callback.callback(), net::BoundNetLog());
   ASSERT_EQ(net::ERR_IO_PENDING, rv);
 
   // Complete the SSL handshake, which should abort due to requiring a
@@ skipping 33 matching lines @@
 //  2) TLS False Start is enabled.
 //  3) The initial TLS handshake requests a client certificate.
 //  4) The client supplies an invalid/unacceptable certificate.
 TEST_F(HttpNetworkTransactionSpdy2Test,
        ClientAuthCertCache_Direct_FalseStart) {
   net::HttpRequestInfo request_info;
   request_info.url = GURL("https://www.example.com/");
   request_info.method = "GET";
   request_info.load_flags = net::LOAD_NORMAL;
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
 
   scoped_refptr<SSLCertRequestInfo> cert_request(new SSLCertRequestInfo());
   cert_request->host_and_port = "www.example.com:443";
 
   // When TLS False Start is used, SSLClientSocket::Connect() calls will
   // return successfully after reading up to the peer's Certificate message.
   // This is to allow the caller to call SSLClientSocket::Write(), which can
   // enqueue application data to be sent in the same packet as the
   // ChangeCipherSpec and Finished messages.
   // The actual handshake will be finished when SSLClientSocket::Read() is
   // called, which expects to process the peer's ChangeCipherSpec and
   // Finished messages. If there was an error negotiating with the peer,
   // such as due to the peer requiring a client certificate when none was
   // supplied, the alert sent by the peer won't be processed until Read() is
   // called.
 
   // Like the non-False Start case, when a client certificate is requested by
   // the peer, the handshake is aborted during the Connect() call.
   // [ssl_]data1 represents the initial SSL handshake with the peer.
   SSLSocketDataProvider ssl_data1(ASYNC, net::ERR_SSL_CLIENT_AUTH_CERT_NEEDED);
   ssl_data1.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data1);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data1);
   net::StaticSocketDataProvider data1(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   // When a client certificate is supplied, Connect() will not be aborted
   // when the peer requests the certificate. Instead, the handshake will
   // artificially succeed, allowing the caller to write the HTTP request to
   // the socket. The handshake messages are not processed until Read() is
   // called, which then detects that the handshake was aborted, due to the
   // peer sending a handshake_failure because it requires a client
   // certificate.
   SSLSocketDataProvider ssl_data2(ASYNC, net::OK);
   ssl_data2.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data2);
   net::MockRead data2_reads[] = {
     net::MockRead(ASYNC /* async */, net::ERR_SSL_PROTOCOL_ERROR),
   };
   net::StaticSocketDataProvider data2(
       data2_reads, arraysize(data2_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   // As described in ClientAuthCertCache_Direct_NoFalseStart, [ssl_]data3 is
   // the data for the SSL handshake once the TLSv1.1 connection falls back to
   // TLSv1. It has the same behaviour as [ssl_]data2.
   SSLSocketDataProvider ssl_data3(ASYNC, net::OK);
   ssl_data3.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data3);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data3);
   net::StaticSocketDataProvider data3(
       data2_reads, arraysize(data2_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data3);
+  session_deps.socket_factory->AddSocketDataProvider(&data3);
 
   // [ssl_]data4 is the data for the SSL handshake once the TLSv1 connection
   // falls back to SSLv3. It has the same behaviour as [ssl_]data2.
   SSLSocketDataProvider ssl_data4(ASYNC, net::OK);
   ssl_data4.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data4);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data4);
   net::StaticSocketDataProvider data4(
       data2_reads, arraysize(data2_reads), NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data4);
+  session_deps.socket_factory->AddSocketDataProvider(&data4);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   scoped_ptr<HttpNetworkTransaction> trans(new HttpNetworkTransaction(session));
 
   // Begin the initial SSL handshake.
   TestCompletionCallback callback;
   int rv = trans->Start(&request_info, callback.callback(), net::BoundNetLog());
   ASSERT_EQ(net::ERR_IO_PENDING, rv);
 
   // Complete the SSL handshake, which should abort due to requiring a
@@ skipping 30 matching lines @@
 
 // Ensure that a client certificate is removed from the SSL client auth
 // cache when:
 //  1) An HTTPS proxy is involved.
 //  3) The HTTPS proxy requests a client certificate.
 //  4) The client supplies an invalid/unacceptable certificate for the
 //     proxy.
 // The test is repeated twice, first for connecting to an HTTPS endpoint,
 // then for connecting to an HTTP endpoint.
 TEST_F(HttpNetworkTransactionSpdy2Test, ClientAuthCertCache_Proxy_Fail) {
-  SessionDependencies session_deps(
+  SpdySessionDependencies session_deps(
       ProxyService::CreateFixed("https://proxy:70"));
   CapturingBoundNetLog log;
   session_deps.net_log = log.bound().net_log();
 
   scoped_refptr<SSLCertRequestInfo> cert_request(new SSLCertRequestInfo());
   cert_request->host_and_port = "proxy:70";
 
   // See ClientAuthCertCache_Direct_NoFalseStart for the explanation of
   // [ssl_]data[1-3]. Rather than represending the endpoint
   // (www.example.com:443), they represent failures with the HTTPS proxy
   // (proxy:70).
   SSLSocketDataProvider ssl_data1(ASYNC, net::ERR_SSL_CLIENT_AUTH_CERT_NEEDED);
   ssl_data1.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data1);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data1);
   net::StaticSocketDataProvider data1(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
 
   SSLSocketDataProvider ssl_data2(ASYNC, net::ERR_SSL_PROTOCOL_ERROR);
   ssl_data2.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data2);
   net::StaticSocketDataProvider data2(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   // TODO(wtc): find out why this unit test doesn't need [ssl_]data3.
 #if 0
   SSLSocketDataProvider ssl_data3(ASYNC, net::ERR_SSL_PROTOCOL_ERROR);
   ssl_data3.cert_request_info = cert_request.get();
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl_data3);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl_data3);
   net::StaticSocketDataProvider data3(NULL, 0, NULL, 0);
-  session_deps.socket_factory.AddSocketDataProvider(&data3);
+  session_deps.socket_factory->AddSocketDataProvider(&data3);
 #endif
 
   net::HttpRequestInfo requests[2];
   requests[0].url = GURL("https://www.example.com/");
   requests[0].method = "GET";
   requests[0].load_flags = net::LOAD_NORMAL;
 
   requests[1].url = GURL("http://www.example.com/");
   requests[1].method = "GET";
   requests[1].load_flags = net::LOAD_NORMAL;
 
   for (size_t i = 0; i < arraysize(requests); ++i) {
-    session_deps.socket_factory.ResetNextMockIndexes();
+    session_deps.socket_factory->ResetNextMockIndexes();
     scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
     scoped_ptr<HttpNetworkTransaction> trans(
         new HttpNetworkTransaction(session));
 
     // Begin the SSL handshake with the proxy.
     TestCompletionCallback callback;
     int rv = trans->Start(
         &requests[i], callback.callback(), net::BoundNetLog());
     ASSERT_EQ(net::ERR_IO_PENDING, rv);
 
@@ skipping 39 matching lines @@
 #if defined(OS_WIN)
 #define MAYBE_UseIPConnectionPooling DISABLED_UseIPConnectionPooling
 #else
 #define MAYBE_UseIPConnectionPooling UseIPConnectionPooling
 #endif
 TEST_F(HttpNetworkTransactionSpdy2Test, MAYBE_UseIPConnectionPooling) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
 
   // Set up a special HttpNetworkSession with a MockCachingHostResolver.
-  SessionDependencies session_deps;
-  MockCachingHostResolver host_resolver;
-  net::HttpNetworkSession::Params params;
-  params.client_socket_factory = &session_deps.socket_factory;
-  params.host_resolver = &host_resolver;
-  params.cert_verifier = session_deps.cert_verifier.get();
-  params.proxy_service = session_deps.proxy_service.get();
-  params.ssl_config_service = session_deps.ssl_config_service;
-  params.http_auth_handler_factory =
-      session_deps.http_auth_handler_factory.get();
-  params.http_server_properties = &session_deps.http_server_properties;
-  params.net_log = session_deps.net_log;
-  scoped_refptr<HttpNetworkSession> session(new HttpNetworkSession(params));
+  SpdySessionDependencies session_deps;
+  session_deps.host_resolver.reset(new MockCachingHostResolver());
+  scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   SpdySessionPoolPeer pool_peer(session->spdy_session_pool());
   pool_peer.DisableDomainAuthenticationVerification();
-  pool_peer.EnableSendingInitialSettings(false);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> host1_req(ConstructSpdyGet(
       "https://www.google.com", false, 1, LOWEST));
   scoped_ptr<SpdyFrame> host2_req(ConstructSpdyGet(
       "https://www.gmail.com", false, 3, LOWEST));
   MockWrite spdy_writes[] = {
     CreateMockWrite(*host1_req, 1),
     CreateMockWrite(*host2_req, 4),
   };
   scoped_ptr<SpdyFrame> host1_resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> host1_resp_body(ConstructSpdyBodyFrame(1, true));
   scoped_ptr<SpdyFrame> host2_resp(ConstructSpdyGetSynReply(NULL, 0, 3));
   scoped_ptr<SpdyFrame> host2_resp_body(ConstructSpdyBodyFrame(3, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*host1_resp, 2),
     CreateMockRead(*host1_resp_body, 3),
     CreateMockRead(*host2_resp, 5),
     CreateMockRead(*host2_resp_body, 6),
     MockRead(ASYNC, 0, 7),
   };
 
   IPAddressNumber ip;
   ASSERT_TRUE(ParseIPLiteralToNumber("127.0.0.1", &ip));
   IPEndPoint peer_addr = IPEndPoint(ip, 443);
   MockConnect connect(ASYNC, OK, peer_addr);
   OrderedSocketData spdy_data(
       connect,
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   TestCompletionCallback callback;
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL("https://www.google.com/");
   request1.load_flags = 0;
   HttpNetworkTransaction trans1(session);
 
   int rv = trans1.Start(&request1, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans1.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(&trans1, &response_data));
   EXPECT_EQ("hello!", response_data);
 
   // Preload www.gmail.com into HostCache.
   HostPortPair host_port("www.gmail.com", 443);
   HostResolver::RequestInfo resolve_info(host_port);
   AddressList ignored;
-  rv = host_resolver.Resolve(resolve_info, &ignored, callback.callback(), NULL,
-                             BoundNetLog());
+  rv = session_deps.host_resolver->Resolve(resolve_info, &ignored,
+                                           callback.callback(), NULL,
+                                           BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL("https://www.gmail.com/");
   request2.load_flags = 0;
   HttpNetworkTransaction trans2(session);
 
@@ skipping 13 matching lines @@
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
   HttpStreamFactory::set_use_alternate_protocols(false);
 }
 #undef MAYBE_UseIPConnectionPooling
 
 TEST_F(HttpNetworkTransactionSpdy2Test, UseIPConnectionPoolingAfterResolution) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
 
   // Set up a special HttpNetworkSession with a MockCachingHostResolver.
-  SessionDependencies session_deps;
-  MockCachingHostResolver host_resolver;
-  net::HttpNetworkSession::Params params;
-  params.client_socket_factory = &session_deps.socket_factory;
-  params.host_resolver = &host_resolver;
-  params.cert_verifier = session_deps.cert_verifier.get();
-  params.proxy_service = session_deps.proxy_service.get();
-  params.ssl_config_service = session_deps.ssl_config_service;
-  params.http_auth_handler_factory =
-      session_deps.http_auth_handler_factory.get();
-  params.http_server_properties = &session_deps.http_server_properties;
-  params.net_log = session_deps.net_log;
-  scoped_refptr<HttpNetworkSession> session(new HttpNetworkSession(params));
+  SpdySessionDependencies session_deps;
+  session_deps.host_resolver.reset(new MockCachingHostResolver());
+  scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   SpdySessionPoolPeer pool_peer(session->spdy_session_pool());
   pool_peer.DisableDomainAuthenticationVerification();
-  pool_peer.EnableSendingInitialSettings(false);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> host1_req(ConstructSpdyGet(
       "https://www.google.com", false, 1, LOWEST));
   scoped_ptr<SpdyFrame> host2_req(ConstructSpdyGet(
       "https://www.gmail.com", false, 3, LOWEST));
   MockWrite spdy_writes[] = {
     CreateMockWrite(*host1_req, 1),
     CreateMockWrite(*host2_req, 4),
   };
   scoped_ptr<SpdyFrame> host1_resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> host1_resp_body(ConstructSpdyBodyFrame(1, true));
   scoped_ptr<SpdyFrame> host2_resp(ConstructSpdyGetSynReply(NULL, 0, 3));
   scoped_ptr<SpdyFrame> host2_resp_body(ConstructSpdyBodyFrame(3, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*host1_resp, 2),
     CreateMockRead(*host1_resp_body, 3),
     CreateMockRead(*host2_resp, 5),
     CreateMockRead(*host2_resp_body, 6),
     MockRead(ASYNC, 0, 7),
   };
 
   IPAddressNumber ip;
   ASSERT_TRUE(ParseIPLiteralToNumber("127.0.0.1", &ip));
   IPEndPoint peer_addr = IPEndPoint(ip, 443);
   MockConnect connect(ASYNC, OK, peer_addr);
   OrderedSocketData spdy_data(
       connect,
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   TestCompletionCallback callback;
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL("https://www.google.com/");
   request1.load_flags = 0;
   HttpNetworkTransaction trans1(session);
 
   int rv = trans1.Start(&request1, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
@@ skipping 76 matching lines @@
 #define MAYBE_UseIPConnectionPoolingWithHostCacheExpiration DISABLED_UseIPConnectionPoolingWithHostCacheExpiration
 #else
 #define MAYBE_UseIPConnectionPoolingWithHostCacheExpiration UseIPConnectionPoolingWithHostCacheExpiration
 #endif
 TEST_F(HttpNetworkTransactionSpdy2Test,
        MAYBE_UseIPConnectionPoolingWithHostCacheExpiration) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
 
   // Set up a special HttpNetworkSession with a OneTimeCachingHostResolver.
-  SessionDependencies session_deps;
   OneTimeCachingHostResolver host_resolver(HostPortPair("www.gmail.com", 443));
-  net::HttpNetworkSession::Params params;
-  params.client_socket_factory = &session_deps.socket_factory;
+  SpdySessionDependencies session_deps;
+  HttpNetworkSession::Params params =
+      SpdySessionDependencies::CreateSessionParams(&session_deps);
   params.host_resolver = &host_resolver;
-  params.cert_verifier = session_deps.cert_verifier.get();
-  params.proxy_service = session_deps.proxy_service.get();
-  params.ssl_config_service = session_deps.ssl_config_service;
-  params.http_auth_handler_factory =
-      session_deps.http_auth_handler_factory.get();
-  params.http_server_properties = &session_deps.http_server_properties;
-  params.net_log = session_deps.net_log;
-  scoped_refptr<HttpNetworkSession> session(new HttpNetworkSession(params));
+  scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
   SpdySessionPoolPeer pool_peer(session->spdy_session_pool());
   pool_peer.DisableDomainAuthenticationVerification();
-  pool_peer.EnableSendingInitialSettings(false);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   scoped_ptr<SpdyFrame> host1_req(ConstructSpdyGet(
       "https://www.google.com", false, 1, LOWEST));
   scoped_ptr<SpdyFrame> host2_req(ConstructSpdyGet(
       "https://www.gmail.com", false, 3, LOWEST));
   MockWrite spdy_writes[] = {
     CreateMockWrite(*host1_req, 1),
     CreateMockWrite(*host2_req, 4),
   };
   scoped_ptr<SpdyFrame> host1_resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> host1_resp_body(ConstructSpdyBodyFrame(1, true));
   scoped_ptr<SpdyFrame> host2_resp(ConstructSpdyGetSynReply(NULL, 0, 3));
   scoped_ptr<SpdyFrame> host2_resp_body(ConstructSpdyBodyFrame(3, true));
   MockRead spdy_reads[] = {
     CreateMockRead(*host1_resp, 2),
     CreateMockRead(*host1_resp_body, 3),
     CreateMockRead(*host2_resp, 5),
     CreateMockRead(*host2_resp_body, 6),
     MockRead(ASYNC, 0, 7),
   };
 
   IPAddressNumber ip;
   ASSERT_TRUE(ParseIPLiteralToNumber("127.0.0.1", &ip));
   IPEndPoint peer_addr = IPEndPoint(ip, 443);
   MockConnect connect(ASYNC, OK, peer_addr);
   OrderedSocketData spdy_data(
       connect,
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
-  session_deps.socket_factory.AddSocketDataProvider(&spdy_data);
+  session_deps.socket_factory->AddSocketDataProvider(&spdy_data);
 
   TestCompletionCallback callback;
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL("https://www.google.com/");
   request1.load_flags = 0;
   HttpNetworkTransaction trans1(session);
 
   int rv = trans1.Start(&request1, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans1.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(&trans1, &response_data));
   EXPECT_EQ("hello!", response_data);
 
   // Preload cache entries into HostCache.
   HostResolver::RequestInfo resolve_info(HostPortPair("www.gmail.com", 443));
   AddressList ignored;
-  rv = host_resolver.Resolve(resolve_info, &ignored, callback.callback(), NULL,
-                             BoundNetLog());
+  rv = host_resolver.Resolve(resolve_info, &ignored, callback.callback(),
+                             NULL, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL("https://www.gmail.com/");
   request2.load_flags = 0;
   HttpNetworkTransaction trans2(session);
 
@@ skipping 99 matching lines @@
   MockRead reads2[] = {
     MockRead(ASYNC, 5, "HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\n"),
     MockRead(ASYNC, 6, "hello"),
     MockRead(ASYNC, 7, OK),
   };
 
   DelayedSocketData data2(
       1, reads2, arraysize(reads2),
       writes2, arraysize(writes2));
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
-  session_deps.socket_factory.AddSocketDataProvider(&data1);
-  session_deps.socket_factory.AddSocketDataProvider(&data2);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data1);
+  session_deps.socket_factory->AddSocketDataProvider(&data2);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Start the first transaction to set up the SpdySession
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL(https_url);
   request1.priority = LOWEST;
   request1.load_flags = 0;
   HttpNetworkTransaction trans1(session);
@@ skipping 143 matching lines @@
     CreateMockRead(*resp1, 2),
     CreateMockRead(*body1, 3),
     CreateMockRead(*resp2, 5),
     CreateMockRead(*body2, 6),
     MockRead(ASYNC, ERR_IO_PENDING, 7)
   };
 
   OrderedSocketData data(reads, arraysize(reads),
                          writes, arraysize(writes));
 
-  SessionDependencies session_deps;
+  SpdySessionDependencies session_deps;
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY2);
-  session_deps.socket_factory.AddSSLSocketDataProvider(&ssl);
-  session_deps.socket_factory.AddSocketDataProvider(&data);
+  session_deps.socket_factory->AddSSLSocketDataProvider(&ssl);
+  session_deps.socket_factory->AddSocketDataProvider(&data);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps));
 
   // Start the first transaction to set up the SpdySession
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL(https_url);
   request1.priority = LOWEST;
   request1.load_flags = 0;
   HttpNetworkTransaction trans1(session);
@@ skipping 152 matching lines @@
             trans2.Start(&request2, callback2.callback(), BoundNetLog()));
   MessageLoop::current()->RunUntilIdle();
   data2->RunFor(3);
 
   ASSERT_TRUE(callback2.have_result());
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_TRUE(trans2.GetResponseInfo()->was_fetched_via_spdy);
 }
 
 }  // namespace net