Update net/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

net/http/http_network_transaction_spdy3_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 308 matching lines @@
     // successfully established before the error.
     EXPECT_TRUE(trans->GetLoadTimingInfo(&out.load_timing_info));
     TestLoadTimingNotReused(out.load_timing_info, CONNECT_TIMING_HAS_DNS_TIMES);
 
     if (out.rv != OK)
       return out;
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
     // Can't use ASSERT_* inside helper functions like this, so
     // return an error.
-    if (response == NULL || response->headers == NULL) {
+    if (response == NULL || response->headers.get() == NULL) {
       out.rv = ERR_UNEXPECTED;
       return out;
     }
     out.status_line = response->headers->GetStatusLine();
 
     EXPECT_EQ("127.0.0.1", response->socket_address.host());
     EXPECT_EQ(80, response->socket_address.port());
 
     rv = ReadTransaction(trans.get(), &out.response_data);
     EXPECT_EQ(OK, rv);
@@ skipping 527 matching lines @@
   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);
+  ASSERT_TRUE(response != NULL && response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 302 Redirect", response->headers->GetStatusLine());
   std::string url;
   EXPECT_TRUE(response->headers->IsRedirect(&url));
   EXPECT_EQ("http://good.com/", url);
 }
 
 // Checks that two distinct Location headers result in an error.
 TEST_F(HttpNetworkTransactionSpdy3Test, TwoDistinctLocationHeaders) {
   MockRead data_reads[] = {
     MockRead("HTTP/1.1 302 Redirect\r\n"),
@@ skipping 43 matching lines @@
   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);
 
   // Check that the headers got parsed.
-  EXPECT_TRUE(response->headers != NULL);
+  EXPECT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ(1234, response->headers->GetContentLength());
   EXPECT_EQ("HTTP/1.1 404 Not Found", response->headers->GetStatusLine());
 
   std::string server_header;
   void* iter = NULL;
   bool has_server_header = response->headers->EnumerateHeader(
       &iter, "Server", &server_header);
   EXPECT_TRUE(has_server_header);
   EXPECT_EQ("Blah", server_header);
 
@@ skipping 22 matching lines @@
     "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;
 
     scoped_ptr<HttpTransaction> trans(
-        new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     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_TRUE(response->headers.get() != 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(kExpectedResponseData[i], response_data);
   }
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, Ignores100) {
@@ skipping 24 matching lines @@
 
   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_TRUE(response->headers.get() != 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("hello world", response_data);
 }
 
 // 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
@@ skipping 21 matching lines @@
 
   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_TRUE(response->headers.get() != 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(HttpNetworkTransactionSpdy3Test, Incomplete100ThenEOF) {
   HttpRequestInfo request;
@@ skipping 102 matching lines @@
 
   const char* kExpectedResponseData[] = {
     "hello", "world"
   };
 
   uint32 first_socket_log_id = NetLog::Source::kInvalidId;
   for (int i = 0; i < 2; ++i) {
     TestCompletionCallback callback;
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     int rv = trans->Start(&request, callback.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     LoadTimingInfo load_timing_info;
     EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
     TestLoadTimingNotReused(load_timing_info, CONNECT_TIMING_HAS_DNS_TIMES);
     if (i == 0) {
       first_socket_log_id = load_timing_info.socket_log_id;
     } else {
       // The second request should be using a new socket.
       EXPECT_NE(first_socket_log_id, load_timing_info.socket_log_id);
     }
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
     ASSERT_TRUE(response != NULL);
 
-    EXPECT_TRUE(response->headers != NULL);
+    EXPECT_TRUE(response->headers.get() != 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(kExpectedResponseData[i], response_data);
   }
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test,
@@ skipping 69 matching lines @@
 // destructor in such situations.
 // See http://crbug.com/154712 and http://crbug.com/156609.
 TEST_F(HttpNetworkTransactionSpdy3Test, KeepAliveEarlyClose) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
 
   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());
+  rv = trans->Read(io_buf.get(), 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());
+  rv = trans->Read(io_buf.get(), io_buf->size(), callback.callback());
   EXPECT_EQ(ERR_CONTENT_LENGTH_MISMATCH, rv);
 
   trans.reset();
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, KeepAliveEarlyClose2) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
 
   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());
+  rv = trans->Read(io_buf.get(), io_buf->size(), callback.callback());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(ERR_CONTENT_LENGTH_MISMATCH, rv);
 
   trans.reset();
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 }
 
 // Test that we correctly reuse a keep-alive connection after not explicitly
@@ skipping 38 matching lines @@
   session_deps_.socket_factory->AddSocketDataProvider(&data2);
 
   const int kNumUnreadBodies = arraysize(data1_reads) - 2;
   std::string response_lines[kNumUnreadBodies];
 
   uint32 first_socket_log_id = NetLog::Source::kInvalidId;
   for (size_t i = 0; i < arraysize(data1_reads) - 2; ++i) {
     TestCompletionCallback callback;
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     int rv = trans->Start(&request, callback.callback(), BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
 
     rv = callback.WaitForResult();
     EXPECT_EQ(OK, rv);
 
     LoadTimingInfo load_timing_info;
     EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
     if (i == 0) {
       TestLoadTimingNotReused(load_timing_info, CONNECT_TIMING_HAS_DNS_TIMES);
       first_socket_log_id = load_timing_info.socket_log_id;
     } else {
       TestLoadTimingReused(load_timing_info);
       EXPECT_EQ(first_socket_log_id, load_timing_info.socket_log_id);
     }
 
     const HttpResponseInfo* response = trans->GetResponseInfo();
     ASSERT_TRUE(response != NULL);
 
-    ASSERT_TRUE(response->headers != NULL);
+    ASSERT_TRUE(response->headers.get() != NULL);
     response_lines[i] = response->headers->GetStatusLine();
 
     // We intentionally don't read the response bodies.
   }
 
   const char* const kStatusLines[] = {
     "HTTP/1.1 204 No Content",
     "HTTP/1.1 205 Reset Content",
     "HTTP/1.1 304 Not Modified",
     "HTTP/1.1 302 Found",
     "HTTP/1.1 302 Found",
     "HTTP/1.1 301 Moved Permanently",
     "HTTP/1.1 301 Moved Permanently",
   };
 
   COMPILE_ASSERT(kNumUnreadBodies == arraysize(kStatusLines),
                  forgot_to_update_kStatusLines);
 
   for (int i = 0; i < kNumUnreadBodies; ++i)
     EXPECT_EQ(kStatusLines[i], response_lines[i]);
 
   TestCompletionCallback callback;
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != 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", response_data);
 }
 
 // Test the request-challenge-retry sequence for basic auth.
 // (basic auth is the easiest to mock, because it has no randomness).
 TEST_F(HttpNetworkTransactionSpdy3Test, BasicAuth) {
@@ skipping 180 matching lines @@
   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);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info1;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info1));
   TestLoadTimingNotReused(load_timing_info1, CONNECT_TIMING_HAS_DNS_TIMES);
 
@@ skipping 68 matching lines @@
   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);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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(CheckBasicServerAuth(response->auth_challenge.get()));
 
@@ skipping 63 matching lines @@
   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);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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(CheckBasicServerAuth(response->auth_challenge.get()));
 
@@ skipping 65 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));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   session_deps_.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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(CheckBasicServerAuth(response->auth_challenge.get()));
 
@@ skipping 64 matching lines @@
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
   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);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_FALSE(response->headers == NULL);
+  ASSERT_FALSE(response->headers.get() == NULL);
   EXPECT_EQ(407, response->headers->response_code());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
   EXPECT_TRUE(CheckBasicProxyAuth(response->auth_challenge.get()));
 
   LoadTimingInfo load_timing_info;
   // CONNECT requests and responses are handled at the connect job level, so
   // the transaction does not yet have a connection.
   EXPECT_FALSE(trans->GetLoadTimingInfo(&load_timing_info));
 
   TestCompletionCallback callback2;
@@ skipping 34 matching lines @@
   // when the no authentication data flag is set.
   request.load_flags = net::LOAD_DO_NOT_SEND_AUTH_DATA;
 
   // Configure against proxy server "myproxy:70".
   session_deps_.proxy_service.reset(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(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // 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"),
 
     // After calling trans->RestartWithAuth(), this is the request we should
     // be issuing -- the final header line contains the credentials.
     MockWrite("CONNECT www.google.com:443 HTTP/1.1\r\n"
@@ skipping 35 matching lines @@
   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);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_FALSE(response->headers == NULL);
+  ASSERT_FALSE(response->headers.get() == NULL);
   EXPECT_TRUE(response->headers->IsKeepAlive());
   EXPECT_EQ(407, response->headers->response_code());
   EXPECT_EQ(10, response->headers->GetContentLength());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
   EXPECT_TRUE(CheckBasicProxyAuth(response->auth_challenge.get()));
 
   TestCompletionCallback callback2;
 
   // Wrong password (should be "bar").
   rv = trans->RestartWithAuth(
       AuthCredentials(kFoo, kBaz), callback2.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback2.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_FALSE(response->headers == NULL);
+  ASSERT_FALSE(response->headers.get() == NULL);
   EXPECT_TRUE(response->headers->IsKeepAlive());
   EXPECT_EQ(407, response->headers->response_code());
   EXPECT_EQ(10, response->headers->GetContentLength());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
   EXPECT_TRUE(CheckBasicProxyAuth(response->auth_challenge.get()));
 
   // Flush the idle socket before the NetLog and HttpNetworkTransaction go
   // out of scope.
   session->CloseAllConnections();
 }
 
 // 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(HttpNetworkTransactionSpdy3Test, BasicAuthProxyCancelTunnel) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against proxy server "myproxy:70".
   session_deps_.proxy_service.reset(ProxyService::CreateFixed("myproxy:70"));
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // 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[] = {
@@ skipping 111 matching lines @@
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
   CapturingNetLog::CapturedEntryList entries;
   log.GetEntries(&entries);
   size_t pos = ExpectLogContainsSomewhere(
       entries, 0, NetLog::TYPE_HTTP_TRANSACTION_SEND_TUNNEL_HEADERS,
@@ skipping 51 matching lines @@
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
   scoped_ptr<HttpTransaction> trans1(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans1->Start(&request1, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response1 = trans1->GetResponseInfo();
   ASSERT_TRUE(response1 != NULL);
-  ASSERT_TRUE(response1->headers != NULL);
+  ASSERT_TRUE(response1->headers.get() != NULL);
   EXPECT_EQ(1, response1->headers->GetContentLength());
 
   LoadTimingInfo load_timing_info1;
   EXPECT_TRUE(trans1->GetLoadTimingInfo(&load_timing_info1));
   TestLoadTimingNotReused(load_timing_info1, CONNECT_TIMING_HAS_SSL_TIMES);
 
   trans1.reset();
 
   TestCompletionCallback callback2;
   scoped_ptr<HttpTransaction> trans2(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans2->Start(&request2, callback2.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback2.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response2 = trans2->GetResponseInfo();
   ASSERT_TRUE(response2 != NULL);
-  ASSERT_TRUE(response2->headers != NULL);
+  ASSERT_TRUE(response2->headers.get() != NULL);
   EXPECT_EQ(2, response2->headers->GetContentLength());
 
   LoadTimingInfo load_timing_info2;
   EXPECT_TRUE(trans2->GetLoadTimingInfo(&load_timing_info2));
   TestLoadTimingReused(load_timing_info2);
 
   EXPECT_EQ(load_timing_info1.socket_log_id, load_timing_info2.socket_log_id);
 
   trans2.reset();
   session->CloseAllConnections();
@@ skipping 46 matching lines @@
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
   scoped_ptr<HttpTransaction> trans1(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans1->Start(&request1, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response1 = trans1->GetResponseInfo();
   ASSERT_TRUE(response1 != NULL);
-  ASSERT_TRUE(response1->headers != NULL);
+  ASSERT_TRUE(response1->headers.get() != NULL);
   EXPECT_EQ(1, response1->headers->GetContentLength());
 
   LoadTimingInfo load_timing_info1;
   EXPECT_TRUE(trans1->GetLoadTimingInfo(&load_timing_info1));
   TestLoadTimingNotReusedWithPac(load_timing_info1,
                                  CONNECT_TIMING_HAS_SSL_TIMES);
 
   trans1.reset();
 
   TestCompletionCallback callback2;
   scoped_ptr<HttpTransaction> trans2(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans2->Start(&request2, callback2.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback2.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* response2 = trans2->GetResponseInfo();
   ASSERT_TRUE(response2 != NULL);
-  ASSERT_TRUE(response2->headers != NULL);
+  ASSERT_TRUE(response2->headers.get() != NULL);
   EXPECT_EQ(2, response2->headers->GetContentLength());
 
   LoadTimingInfo load_timing_info2;
   EXPECT_TRUE(trans2->GetLoadTimingInfo(&load_timing_info2));
   TestLoadTimingReusedWithPac(load_timing_info2);
 
   EXPECT_EQ(load_timing_info1.socket_log_id, load_timing_info2.socket_log_id);
 
   trans2.reset();
   session->CloseAllConnections();
@@ skipping 28 matching lines @@
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info,
@@ skipping 44 matching lines @@
       spdy_writes, arraysize(spdy_writes));
   session_deps_.socket_factory->AddSocketDataProvider(&spdy_data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY3);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info,
                           CONNECT_TIMING_HAS_CONNECT_TIMES_ONLY);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != 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(HttpNetworkTransactionSpdy3Test, HttpsProxySpdyGetWithProxyAuth) {
   HttpRequestInfo request;
@@ skipping 52 matching lines @@
       spdy_writes, arraysize(spdy_writes));
   session_deps_.socket_factory->AddSocketDataProvider(&data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY3);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* const response = trans->GetResponseInfo();
 
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ(407, response->headers->response_code());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(CheckBasicProxyAuth(response->auth_challenge.get()));
 
   TestCompletionCallback callback2;
 
   rv = trans->RestartWithAuth(
       AuthCredentials(kFoo, kBar), callback2.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback2.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   const HttpResponseInfo* const response_restart = trans->GetResponseInfo();
 
   ASSERT_TRUE(response_restart != NULL);
-  ASSERT_TRUE(response_restart->headers != NULL);
+  ASSERT_TRUE(response_restart->headers.get() != NULL);
   EXPECT_EQ(200, response_restart->headers->response_code());
   // The password prompt info should not be set.
   EXPECT_TRUE(response_restart->auth_challenge.get() == NULL);
 }
 
 // Test a SPDY CONNECT through an HTTPS Proxy to an HTTPS (non-SPDY) Server.
 TEST_F(HttpNetworkTransactionSpdy3Test, HttpsProxySpdyConnectHttps) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "proxy:70".
   session_deps_.proxy_service.reset(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(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // CONNECT to www.google.com:443 via SPDY
   scoped_ptr<SpdyFrame> connect(spdy_util_.ConstructSpdyConnect(NULL, 0, 1));
   // fetch https://www.google.com/ via HTTP
 
   const char get[] = "GET / HTTP/1.1\r\n"
     "Host: www.google.com\r\n"
     "Connection: keep-alive\r\n\r\n";
   scoped_ptr<SpdyFrame> wrapped_get(
       ConstructSpdyBodyFrame(1, get, strlen(get), false));
@@ skipping 41 matching lines @@
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info, CONNECT_TIMING_HAS_SSL_TIMES);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != 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(HttpNetworkTransactionSpdy3Test, HttpsProxySpdyConnectSpdy) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "proxy:70".
   session_deps_.proxy_service.reset(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(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // CONNECT to www.google.com:443 via SPDY
   scoped_ptr<SpdyFrame> connect(spdy_util_.ConstructSpdyConnect(NULL, 0, 1));
   // fetch https://www.google.com/ via SPDY
   const char* const kMyUrl = "https://www.google.com/";
   scoped_ptr<SpdyFrame> get(
       spdy_util_.ConstructSpdyGet(kMyUrl, false, 1, LOWEST));
   scoped_ptr<SpdyFrame> wrapped_get(ConstructWrappedSpdyFrame(get, 1));
   scoped_ptr<SpdyFrame> conn_resp(ConstructSpdyGetSynReply(NULL, 0, 1));
   scoped_ptr<SpdyFrame> get_resp(ConstructSpdyGetSynReply(NULL, 0, 1));
@@ skipping 40 matching lines @@
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info, CONNECT_TIMING_HAS_SSL_TIMES);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != 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(HttpNetworkTransactionSpdy3Test, HttpsProxySpdyConnectFailure) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against https proxy server "proxy:70".
   session_deps_.proxy_service.reset(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(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // CONNECT to www.google.com:443 via SPDY
   scoped_ptr<SpdyFrame> connect(spdy_util_.ConstructSpdyConnect(NULL, 0, 1));
   scoped_ptr<SpdyFrame> get(
       spdy_util_.ConstructSpdyRstStream(1, RST_STREAM_CANCEL));
 
   MockWrite spdy_writes[] = {
       CreateMockWrite(*connect, 1),
       CreateMockWrite(*get, 3),
   };
@@ skipping 131 matching lines @@
   ssl2.protocol_negotiated = kProtoUnknown;
   session_deps_.deterministic_socket_factory->AddSSLSocketDataProvider(&ssl2);
   SSLSocketDataProvider ssl3(ASYNC, OK);
   ssl3.was_npn_negotiated = false;
   ssl3.protocol_negotiated = kProtoUnknown;
   session_deps_.deterministic_socket_factory->AddSSLSocketDataProvider(&ssl3);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   int rv = trans->Start(&request1, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // The first connect and request, each of their responses, and the body.
   spdy_data.RunFor(5);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info, CONNECT_TIMING_HAS_SSL_TIMES);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   scoped_refptr<net::IOBuffer> buf(new net::IOBuffer(256));
-  EXPECT_EQ(1, trans->Read(buf, 256, callback.callback()));
+  EXPECT_EQ(1, trans->Read(buf.get(), 256, callback.callback()));
 
   scoped_ptr<HttpTransaction> trans2(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   rv = trans2->Start(&request2, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // The second connect and request, each of their responses, and the body.
   spdy_data.RunFor(5);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info2;
   EXPECT_TRUE(trans2->GetLoadTimingInfo(&load_timing_info2));
   // Even though the SPDY connection is reused, a new tunnelled connection has
   // to be created, so the socket's load timing looks like a fresh connection.
   TestLoadTimingNotReused(load_timing_info2, CONNECT_TIMING_HAS_SSL_TIMES);
 
   // The requests should have different IDs, since they each are using their own
   // separate stream.
   EXPECT_NE(load_timing_info.socket_log_id, load_timing_info2.socket_log_id);
 
-  EXPECT_EQ(2, trans2->Read(buf, 256, callback.callback()));
+  EXPECT_EQ(2, trans2->Read(buf.get(), 256, callback.callback()));
 }
 
 // Test load timing in the case of two HTTPS (non-SPDY) requests through a SPDY
 // HTTPS Proxy to the same server.
 TEST_F(HttpNetworkTransactionSpdy3Test,
        HttpsProxySpdyConnectHttpsLoadTimingTwoRequestsSameServer) {
   // Configure against https proxy server "proxy:70".
   session_deps_.proxy_service.reset(ProxyService::CreateFixed(
       "https://proxy:70"));
   CapturingBoundNetLog log;
@@ skipping 66 matching lines @@
   ssl.SetNextProto(kProtoSPDY3);
   session_deps_.deterministic_socket_factory->AddSSLSocketDataProvider(&ssl);
   SSLSocketDataProvider ssl2(ASYNC, OK);
   ssl2.was_npn_negotiated = false;
   ssl2.protocol_negotiated = kProtoUnknown;
   session_deps_.deterministic_socket_factory->AddSSLSocketDataProvider(&ssl2);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   int rv = trans->Start(&request1, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // The first connect and request, each of their responses, and the body.
   spdy_data.RunFor(5);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info, CONNECT_TIMING_HAS_SSL_TIMES);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   scoped_refptr<net::IOBuffer> buf(new net::IOBuffer(256));
-  EXPECT_EQ(1, trans->Read(buf, 256, callback.callback()));
+  EXPECT_EQ(1, trans->Read(buf.get(), 256, callback.callback()));
   // Delete the first request, so the second one can reuse the socket.
   trans.reset();
 
   scoped_ptr<HttpTransaction> trans2(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   rv = trans2->Start(&request2, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // The second request, response, and body.  There should not be a second
   // connect.
   spdy_data.RunFor(3);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info2;
   EXPECT_TRUE(trans2->GetLoadTimingInfo(&load_timing_info2));
   TestLoadTimingReused(load_timing_info2);
 
   // The requests should have the same ID.
   EXPECT_EQ(load_timing_info.socket_log_id, load_timing_info2.socket_log_id);
 
-  EXPECT_EQ(2, trans2->Read(buf, 256, callback.callback()));
+  EXPECT_EQ(2, trans2->Read(buf.get(), 256, callback.callback()));
 }
 
 // Test load timing in the case of of two HTTP requests through a SPDY HTTPS
 // Proxy to different servers.
 TEST_F(HttpNetworkTransactionSpdy3Test,
        HttpsProxySpdyLoadTimingTwoHttpRequests) {
   const char* const url1 = "http://www.google.com/";
   const char* const url2 = "http://news.google.com/";
 
   // Configure against https proxy server "proxy:70".
@@ skipping 43 matching lines @@
       spdy_writes, arraysize(spdy_writes));
   session_deps_.deterministic_socket_factory->AddSocketDataProvider(&spdy_data);
 
   SSLSocketDataProvider ssl(ASYNC, OK);
   ssl.SetNextProto(kProtoSPDY3);
   session_deps_.deterministic_socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   int rv = trans->Start(&request1, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   spdy_data.RunFor(2);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info,
                           CONNECT_TIMING_HAS_CONNECT_TIMES_ONLY);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   scoped_refptr<net::IOBuffer> buf(new net::IOBuffer(256));
-  EXPECT_EQ(ERR_IO_PENDING, trans->Read(buf, 256, callback.callback()));
+  EXPECT_EQ(ERR_IO_PENDING, trans->Read(buf.get(), 256, callback.callback()));
   spdy_data.RunFor(1);
   EXPECT_EQ(1, callback.WaitForResult());
   // Delete the first request, so the second one can reuse the socket.
   trans.reset();
 
   scoped_ptr<HttpTransaction> trans2(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   rv = trans2->Start(&request2, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   spdy_data.RunFor(2);
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info2;
   EXPECT_TRUE(trans2->GetLoadTimingInfo(&load_timing_info2));
   TestLoadTimingReused(load_timing_info2);
 
   // The requests should have the same ID.
   EXPECT_EQ(load_timing_info.socket_log_id, load_timing_info2.socket_log_id);
 
-  EXPECT_EQ(ERR_IO_PENDING, trans2->Read(buf, 256, callback.callback()));
+  EXPECT_EQ(ERR_IO_PENDING, trans2->Read(buf.get(), 256, callback.callback()));
   spdy_data.RunFor(1);
   EXPECT_EQ(2, callback.WaitForResult());
 }
 
 // Test the challenge-response-retry sequence through an HTTPS Proxy
 TEST_F(HttpNetworkTransactionSpdy3Test, HttpsProxyAuthRetry) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   // when the no authentication data flag is set.
@@ skipping 37 matching lines @@
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReused(load_timing_info,
                           CONNECT_TIMING_HAS_CONNECT_TIMES_ONLY);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_FALSE(response->headers == NULL);
+  ASSERT_FALSE(response->headers.get() == NULL);
   EXPECT_EQ(407, response->headers->response_code());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
   EXPECT_TRUE(CheckBasicProxyAuth(response->auth_challenge.get()));
 
   TestCompletionCallback callback2;
 
   rv = trans->RestartWithAuth(
       AuthCredentials(kFoo, kBar), callback2.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
@@ skipping 43 matching lines @@
     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);
 
   TestCompletionCallback callback;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(expected_status, rv);
 }
 
 void HttpNetworkTransactionSpdy3Test::ConnectStatusHelper(
     const MockRead& status) {
@@ skipping 375 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));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   session_deps_.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   EXPECT_FALSE(trans->IsReadyToRestartForAuth());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 159 matching lines @@
                                  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);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   EXPECT_FALSE(trans->IsReadyToRestartForAuth());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
@@ skipping 96 matching lines @@
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // Configure against proxy server "myproxy:70".
   session_deps_.proxy_service.reset(ProxyService::CreateFixed("myproxy:70"));
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // 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),
@@ skipping 18 matching lines @@
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   EXPECT_TRUE(response == NULL);
 
   // Empty the current queue.  This is necessary because idle sockets are
   // added to the connection pool asynchronously with a PostTask.
   base::MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the TCPClientSocket was not added back to
   // the pool.
-  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
   trans.reset();
   base::MessageLoop::current()->RunUntilIdle();
   // Make sure that the socket didn't get recycled after calling the destructor.
-  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 }
 
 // Make sure that we recycle a socket after reading all of the response body.
 TEST_F(HttpNetworkTransactionSpdy3Test, RecycleSocket) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("http://www.google.com/");
   request.load_flags = 0;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
 
   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_TRUE(response->headers.get() != NULL);
   std::string status_line = response->headers->GetStatusLine();
   EXPECT_EQ("HTTP/1.1 200 OK", status_line);
 
-  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("hello world", response_data);
 
   // Empty the current queue.  This is necessary because idle sockets are
   // added to the connection pool asynchronously with a PostTask.
   base::MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the socket was added back to the pool.
-  EXPECT_EQ(1, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(1, GetIdleSocketCountInTransportSocketPool(session.get()));
 }
 
 // Make sure that we recycle a SSL socket after reading all of the response
 // body.
 TEST_F(HttpNetworkTransactionSpdy3Test, RecycleSSLSocket) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
@@ skipping 14 matching lines @@
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   session_deps_.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
-  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("hello world", response_data);
 
   // Empty the current queue.  This is necessary because idle sockets are
   // added to the connection pool asynchronously with a PostTask.
   base::MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the socket was added back to the pool.
-  EXPECT_EQ(1, GetIdleSocketCountInSSLSocketPool(session));
+  EXPECT_EQ(1, GetIdleSocketCountInSSLSocketPool(session.get()));
 }
 
 // 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(HttpNetworkTransactionSpdy3Test, RecycleDeadSSLSocket) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
@@ skipping 23 matching lines @@
                                 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);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
-  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("hello world", response_data);
 
   // Empty the current queue.  This is necessary because idle sockets are
   // added to the connection pool asynchronously with a PostTask.
   base::MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the socket was added back to the pool.
-  EXPECT_EQ(1, GetIdleSocketCountInSSLSocketPool(session));
+  EXPECT_EQ(1, GetIdleSocketCountInSSLSocketPool(session.get()));
 
   // Now start the second transaction, which should reuse the previous socket.
 
-  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans->Start(&request, callback.callback(), BoundNetLog());
 
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
 
-  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("hello world", response_data);
 
   // Empty the current queue.  This is necessary because idle sockets are
   // added to the connection pool asynchronously with a PostTask.
   base::MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the socket was added back to the pool.
-  EXPECT_EQ(1, GetIdleSocketCountInSSLSocketPool(session));
+  EXPECT_EQ(1, GetIdleSocketCountInSSLSocketPool(session.get()));
 }
 
 // Make sure that we recycle a socket after a zero-length response.
 // http://crbug.com/9880
 TEST_F(HttpNetworkTransactionSpdy3Test, 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;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
 
   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_TRUE(response->headers.get() != NULL);
   std::string status_line = response->headers->GetStatusLine();
   EXPECT_EQ("HTTP/1.1 204 No Content", status_line);
 
-  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(0, GetIdleSocketCountInTransportSocketPool(session.get()));
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("", response_data);
 
   // Empty the current queue.  This is necessary because idle sockets are
   // added to the connection pool asynchronously with a PostTask.
   base::MessageLoop::current()->RunUntilIdle();
 
   // We now check to make sure the socket was added back to the pool.
-  EXPECT_EQ(1, GetIdleSocketCountInTransportSocketPool(session));
+  EXPECT_EQ(1, GetIdleSocketCountInTransportSocketPool(session.get()));
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, ResendRequestOnWriteBodyError) {
   ScopedVector<UploadElementReader> element_readers;
   element_readers.push_back(new UploadBytesElementReader("foo", 3));
   UploadDataStream upload_data_stream(&element_readers, 0);
 
   HttpRequestInfo request[2];
   // Transaction 1: a GET request that succeeds.  The socket is recycled
   // after use.
@@ skipping 48 matching lines @@
 
   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(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     TestCompletionCallback callback;
 
     int rv = trans->Start(&request[i], 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_TRUE(response->headers.get() != 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(kExpectedResponseData[i], response_data);
   }
 }
 
 // Test the request-challenge-retry sequence for basic auth when there is
@@ skipping 189 matching lines @@
   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(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     MockWrite data_writes1[] = {
       MockWrite("GET /x/y/z HTTP/1.1\r\n"
                 "Host: www.google.com\r\n"
                 "Connection: keep-alive\r\n\r\n"),
     };
 
     MockRead data_reads1[] = {
       MockRead("HTTP/1.0 401 Unauthorized\r\n"),
       MockRead("WWW-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
@@ skipping 55 matching lines @@
   // Transaction 2: authenticate (foo2, bar2) on MyRealm2
   {
     HttpRequestInfo request;
     request.method = "GET";
     // Note that Transaction 1 was at /x/y/z, so this is in the same
     // protection space as MyRealm1.
     request.url = GURL("http://www.google.com/x/y/a/b");
     request.load_flags = 0;
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     MockWrite data_writes1[] = {
       MockWrite("GET /x/y/a/b HTTP/1.1\r\n"
                 "Host: www.google.com\r\n"
                 "Connection: keep-alive\r\n"
                 // Send preemptive authorization for MyRealm1
                 "Authorization: Basic Zm9vOmJhcg==\r\n\r\n"),
     };
 
     // The server didn't like the preemptive authorization, and
@@ skipping 63 matching lines @@
 
   // Transaction 3: Resend a request in MyRealm's protection space --
   // succeed with preemptive authorization.
   {
     HttpRequestInfo request;
     request.method = "GET";
     request.url = GURL("http://www.google.com/x/y/z2");
     request.load_flags = 0;
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     MockWrite data_writes1[] = {
       MockWrite("GET /x/y/z2 HTTP/1.1\r\n"
                 "Host: www.google.com\r\n"
                 "Connection: keep-alive\r\n"
                 // The authorization for MyRealm1 gets sent preemptively
                 // (since the url is in the same protection space)
                 "Authorization: Basic Zm9vOmJhcg==\r\n\r\n"),
     };
 
@@ skipping 27 matching lines @@
 
   // Transaction 4: request another URL in MyRealm (however the
   // url is not known to belong to the protection space, so no pre-auth).
   {
     HttpRequestInfo request;
     request.method = "GET";
     request.url = GURL("http://www.google.com/x/1");
     request.load_flags = 0;
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     MockWrite data_writes1[] = {
       MockWrite("GET /x/1 HTTP/1.1\r\n"
                 "Host: www.google.com\r\n"
                 "Connection: keep-alive\r\n\r\n"),
     };
 
     MockRead data_reads1[] = {
       MockRead("HTTP/1.0 401 Unauthorized\r\n"),
       MockRead("WWW-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
@@ skipping 49 matching lines @@
 
   // Transaction 5: request a URL in MyRealm, but the server rejects the
   // cached identity. Should invalidate and re-prompt.
   {
     HttpRequestInfo request;
     request.method = "GET";
     request.url = GURL("http://www.google.com/p/q/t");
     request.load_flags = 0;
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     MockWrite data_writes1[] = {
       MockWrite("GET /p/q/t HTTP/1.1\r\n"
                 "Host: www.google.com\r\n"
                 "Connection: keep-alive\r\n\r\n"),
     };
 
     MockRead data_reads1[] = {
       MockRead("HTTP/1.0 401 Unauthorized\r\n"),
       MockRead("WWW-Authenticate: Basic realm=\"MyRealm1\"\r\n"),
@@ skipping 91 matching lines @@
   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(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     MockWrite data_writes1[] = {
       MockWrite("GET /x/y/z HTTP/1.1\r\n"
                 "Host: www.google.com\r\n"
                 "Connection: keep-alive\r\n\r\n"),
     };
 
     MockRead data_reads1[] = {
       MockRead("HTTP/1.0 401 Unauthorized\r\n"),
       MockRead("WWW-Authenticate: Digest realm=\"digestive\", nonce=\"OU812\", "
@@ skipping 58 matching lines @@
   // "nc" value of 2 (as compared to 1 in the first use.
   {
     HttpRequestInfo request;
     request.method = "GET";
     // Note that Transaction 1 was at /x/y/z, so this is in the same
     // protection space as digest.
     request.url = GURL("http://www.google.com/x/y/a/b");
     request.load_flags = 0;
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     MockWrite data_writes1[] = {
       MockWrite("GET /x/y/a/b HTTP/1.1\r\n"
                 "Host: www.google.com\r\n"
                 "Connection: keep-alive\r\n"
                 "Authorization: Digest username=\"foo\", realm=\"digestive\", "
                 "nonce=\"OU812\", uri=\"/x/y/a/b\", algorithm=MD5, "
                 "response=\"d6f9a2c07d1c5df7b89379dca1269b35\", qop=auth, "
                 "nc=00000002, cnonce=\"0123456789abcdef\"\r\n\r\n"),
     };
@@ skipping 42 matching lines @@
   response->response_time = base::Time::Now();
   response->was_cached = true;  // (Wouldn't ever actually be true...)
 
   { // Setup state for response_.vary_data
     HttpRequestInfo request;
     std::string temp("HTTP/1.1 200 OK\nVary: foo, bar\n\n");
     std::replace(temp.begin(), temp.end(), '\n', '\0');
     scoped_refptr<HttpResponseHeaders> headers(new HttpResponseHeaders(temp));
     request.extra_headers.SetHeader("Foo", "1");
     request.extra_headers.SetHeader("bar", "23");
-    EXPECT_TRUE(response->vary_data.Init(request, *headers));
+    EXPECT_TRUE(response->vary_data.Init(request, *headers.get()));
   }
 
   // Cause the above state to be reset.
   trans->ResetStateForRestart();
 
   // Verify that the state that needed to be reset, has been reset.
   EXPECT_TRUE(trans->read_buf_.get() == NULL);
   EXPECT_EQ(0, trans->read_buf_len_);
   EXPECT_TRUE(trans->request_headers_.IsEmpty());
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
@@ skipping 529 matching lines @@
   SSLSocketDataProvider proxy(ASYNC, OK);
   proxy.SetNextProto(kProtoSPDY3);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&proxy);
   // Vanilla SSL to the server
   SSLSocketDataProvider server(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&server);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
   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);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_FALSE(response->headers == NULL);
+  ASSERT_FALSE(response->headers.get() == NULL);
   EXPECT_EQ(407, response->headers->response_code());
   EXPECT_TRUE(HttpVersion(1, 1) == response->headers->GetHttpVersion());
   EXPECT_TRUE(response->auth_challenge.get() != NULL);
   EXPECT_TRUE(CheckBasicProxyAuth(response->auth_challenge.get()));
 
   TestCompletionCallback callback2;
 
   rv = trans->RestartWithAuth(AuthCredentials(kFoo, kBar),
                               callback2.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
@@ skipping 81 matching lines @@
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
   session_deps_.socket_factory->AddSocketDataProvider(&spdy_data);
   // Negotiate SPDY to the proxy
   SSLSocketDataProvider proxy(ASYNC, OK);
   proxy.SetNextProto(kProtoSPDY3);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&proxy);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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();
 
   scoped_ptr<HttpTransaction> push_trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   rv = push_trans->Start(&push_request, callback.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   const HttpResponseInfo* push_response = push_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);
 
   LoadTimingInfo load_timing_info;
   EXPECT_TRUE(trans->GetLoadTimingInfo(&load_timing_info));
   TestLoadTimingNotReusedWithPac(load_timing_info,
                                  CONNECT_TIMING_HAS_CONNECT_TIMES_ONLY);
 
   // Verify the pushed stream.
-  EXPECT_TRUE(push_response->headers != NULL);
+  EXPECT_TRUE(push_response->headers.get() != NULL);
   EXPECT_EQ(200, push_response->headers->response_code());
 
   rv = ReadTransaction(push_trans.get(), &response_data);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("pushed", response_data);
 
   LoadTimingInfo push_load_timing_info;
   EXPECT_TRUE(push_trans->GetLoadTimingInfo(&push_load_timing_info));
   TestLoadTimingReusedWithPac(push_load_timing_info);
   // The transactions should share a socket ID, despite being for different
@@ skipping 58 matching lines @@
   OrderedSocketData spdy_data(
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
   session_deps_.socket_factory->AddSocketDataProvider(&spdy_data);
   // Negotiate SPDY to the proxy
   SSLSocketDataProvider proxy(ASYNC, OK);
   proxy.SetNextProto(kProtoSPDY3);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&proxy);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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());
@@ skipping 839 matching lines @@
 
 int GroupNameTransactionHelper(
     const std::string& url,
     const scoped_refptr<HttpNetworkSession>& session) {
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL(url);
   request.load_flags = 0;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   TestCompletionCallback callback;
 
   // We do not complete this request, the dtor will clean the transaction up.
   return trans->Start(&request, callback.callback(), BoundNetLog());
 }
 
 }  // namespace
 
 TEST_F(HttpNetworkTransactionSpdy3Test, GroupNameForDirectConnections) {
@@ skipping 181 matching lines @@
     CaptureGroupNameSSLSocketPool* ssl_conn_pool =
         new CaptureGroupNameSSLSocketPool(NULL, NULL);
 
     MockClientSocketPoolManager* mock_pool_manager =
         new MockClientSocketPoolManager;
     mock_pool_manager->SetSocketPoolForSOCKSProxy(proxy_host, socks_conn_pool);
     mock_pool_manager->SetSocketPoolForSSLWithProxy(proxy_host, ssl_conn_pool);
     peer.SetClientSocketPoolManager(mock_pool_manager);
 
     scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     EXPECT_EQ(ERR_IO_PENDING,
               GroupNameTransactionHelper(tests[i].url, session));
     if (tests[i].ssl)
       EXPECT_EQ(tests[i].expected_group_name,
                 ssl_conn_pool->last_group_name_received());
     else
       EXPECT_EQ(tests[i].expected_group_name,
                 socks_conn_pool->last_group_name_received());
   }
@@ skipping 147 matching lines @@
 
   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_TRUE(response->headers.get() != 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.
@@ skipping 41 matching lines @@
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2),
                                  data_writes2, arraysize(data_writes2));
   session_deps_.socket_factory->AddSocketDataProvider(&data2);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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(CheckBasicServerAuth(response->auth_challenge.get()));
@@ skipping 69 matching lines @@
   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);
 
-  EXPECT_TRUE(response->headers != NULL);
+  EXPECT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.0 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
   EXPECT_EQ(ERR_CONTENT_LENGTH_MISMATCH, rv);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, UploadFileSmallerThanLength) {
   base::FilePath temp_file_path;
   ASSERT_TRUE(file_util::CreateTemporaryFile(&temp_file_path));
@@ skipping 29 matching lines @@
 
   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_TRUE(response->headers.get() != 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("hello world", response_data);
 
   file_util::Delete(temp_file_path, false);
 }
 
@@ skipping 41 matching lines @@
   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_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.0 200 OK", response->headers->GetStatusLine());
 
   file_util::Delete(temp_file, false);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, UnreadableUploadFileAfterAuthRestart) {
   base::FilePath temp_file;
   ASSERT_TRUE(file_util::CreateTemporaryFile(&temp_file));
   std::string temp_file_contents("Unreadable file.");
   std::string unreadable_contents(temp_file_contents.length(), '\0');
@@ skipping 48 matching lines @@
   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);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 401 Unauthorized", response->headers->GetStatusLine());
   EXPECT_TRUE(CheckBasicServerAuth(response->auth_challenge.get()));
 
   // Now make the file unreadable and try again.
   ASSERT_TRUE(file_util::MakeFileUnreadable(temp_file));
 
   TestCompletionCallback callback2;
 
   rv = trans->RestartWithAuth(
       AuthCredentials(kFoo, kBar), callback2.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback2.WaitForResult();
   EXPECT_EQ(OK, rv);
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  EXPECT_TRUE(response->headers != NULL);
+  EXPECT_TRUE(response->headers.get() != 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(HttpNetworkTransactionSpdy3Test, ChangeAuthRealms) {
 
   HttpRequestInfo request;
@@ skipping 164 matching lines @@
   request.load_flags = 0;
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
 
   session_deps_.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   HostPortPair http_host_port_pair("www.google.com", 80);
   const HttpServerProperties& http_server_properties =
       *session->http_server_properties();
   EXPECT_FALSE(
       http_server_properties.HasAlternateProtocol(http_host_port_pair));
 
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_FALSE(response->was_fetched_via_spdy);
   EXPECT_FALSE(response->was_npn_negotiated);
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello world", response_data);
 
   ASSERT_TRUE(http_server_properties.HasAlternateProtocol(http_host_port_pair));
   const PortAlternateProtocolPair alternate =
@@ skipping 34 matching lines @@
   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 */,
       NPN_SPDY_3);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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);
+  ASSERT_TRUE(response->headers.get() != 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("hello world", response_data);
 
   ASSERT_TRUE(http_server_properties->HasAlternateProtocol(
       HostPortPair::FromURL(request.url)));
   const PortAlternateProtocolPair alternate =
       http_server_properties->GetAlternateProtocol(
@@ skipping 32 matching lines @@
 
   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_3);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   TestCompletionCallback callback;
 
   int rv = trans->Start(
       &restricted_port_request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // Invalid change to unrestricted port should fail.
   EXPECT_EQ(ERR_CONNECTION_REFUSED, callback.WaitForResult());
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test,
@@ skipping 29 matching lines @@
 
   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_3);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   TestCompletionCallback callback;
 
   EXPECT_EQ(ERR_IO_PENDING, trans->Start(
       &restricted_port_request, callback.callback(), BoundNetLog()));
   // Change to unrestricted port should succeed.
   EXPECT_EQ(OK, callback.WaitForResult());
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test,
        AlternateProtocolPortRestrictedAllowed) {
@@ skipping 26 matching lines @@
 
   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_3);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   TestCompletionCallback callback;
 
   int rv = trans->Start(
       &restricted_port_request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // Valid change to restricted port should pass.
   EXPECT_EQ(OK, callback.WaitForResult());
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test,
@@ skipping 27 matching lines @@
 
   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_3);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   TestCompletionCallback callback;
 
   int rv = trans->Start(
       &unrestricted_port_request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // Valid change to restricted port should pass.
   EXPECT_EQ(OK, callback.WaitForResult());
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test,
@@ skipping 27 matching lines @@
 
   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_3);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   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());
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, AlternateProtocolUnsafeBlocked) {
@@ skipping 22 matching lines @@
 
   HttpServerProperties* http_server_properties =
       session->http_server_properties();
   const int kUnsafePort = 7;
   http_server_properties->SetAlternateProtocol(
       HostPortPair::FromURL(request.url),
       kUnsafePort,
       NPN_SPDY_3);
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   TestCompletionCallback callback;
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // The HTTP request should succeed.
   EXPECT_EQ(OK, callback.WaitForResult());
 
   // Disable alternate protocol before the asserts.
   HttpStreamFactory::set_use_alternate_protocols(false);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != 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("hello world", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, UseAlternateProtocolForNpnSpdy) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
@@ skipping 42 matching lines @@
       NULL, 0, NULL, 0);
   hanging_non_alternate_protocol_socket.set_connect_data(
       never_finishing_connect);
   session_deps_.socket_factory->AddSocketDataProvider(
       &hanging_non_alternate_protocol_socket);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
+  ASSERT_TRUE(response->headers.get() != 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("hello world", response_data);
 
-  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
 
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello!", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, AlternateProtocolWithSpdyLateBinding) {
   HttpStreamFactory::set_use_alternate_protocols(true);
@@ skipping 55 matching lines @@
       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);
 
   // Socket 5 is the unsuccessful non-Alternate-Protocol for transaction 3.
   session_deps_.socket_factory->AddSocketDataProvider(&hanging_socket);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   TestCompletionCallback callback1;
-  HttpNetworkTransaction trans1(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans1(DEFAULT_PRIORITY, session.get());
 
   int rv = trans1.Start(&request, callback1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback1.WaitForResult());
 
   const HttpResponseInfo* response = trans1.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != 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 world", response_data);
 
   TestCompletionCallback callback2;
-  HttpNetworkTransaction trans2(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans2(DEFAULT_PRIORITY, session.get());
   rv = trans2.Start(&request, callback2.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   TestCompletionCallback callback3;
-  HttpNetworkTransaction trans3(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans3(DEFAULT_PRIORITY, session.get());
   rv = trans3.Start(&request, callback3.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_EQ(OK, callback3.WaitForResult());
 
   response = trans2.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(&trans2, &response_data));
   EXPECT_EQ("hello!", response_data);
 
   response = trans3.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(&trans3, &response_data));
   EXPECT_EQ("hello!", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, StallAlternateProtocolForNpnSpdy) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
@@ skipping 27 matching lines @@
   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);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
+  ASSERT_TRUE(response->headers.get() != 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("hello world", response_data);
 
-  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_FALSE(response->was_fetched_via_spdy);
   EXPECT_FALSE(response->was_npn_negotiated);
 
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello world", response_data);
 }
 
 class CapturingProxyResolver : public ProxyResolver {
  public:
@@ skipping 106 matching lines @@
       NULL, 0, NULL, 0);
   hanging_non_alternate_protocol_socket.set_connect_data(
       never_finishing_connect);
   session_deps_.socket_factory->AddSocketDataProvider(
       &hanging_non_alternate_protocol_socket);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_FALSE(response->was_fetched_via_spdy);
   EXPECT_FALSE(response->was_npn_negotiated);
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello world", response_data);
 
-  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
 
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello!", response_data);
   ASSERT_EQ(3u, capturing_proxy_resolver->resolved().size());
   EXPECT_EQ("http://www.google.com/",
             capturing_proxy_resolver->resolved()[0].spec());
   EXPECT_EQ("https://www.google.com/",
@@ skipping 46 matching lines @@
       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);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
+  ASSERT_TRUE(response->headers.get() != 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("hello world", response_data);
 
   // Set up an initial SpdySession in the pool to reuse.
   HostPortPair host_port_pair("www.google.com", 443);
   SpdySessionKey key(host_port_pair, ProxyServer::Direct(),
                      kPrivacyModeDisabled);
@@ skipping 25 matching lines @@
           HostPortPair(std::string(), 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(DEFAULT_PRIORITY, session));
+  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
 
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello!", response_data);
 }
 
 // GenerateAuthToken is a mighty big test.
 // It tests all permutation of GenerateAuthToken behavior:
@@ skipping 448 matching lines @@
       &transport_pool_histograms,
       session_deps_.host_resolver.get(),
       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(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   TestCompletionCallback callback;
 
   const MockWrite kGet(
       "GET / HTTP/1.1\r\n"
       "Host: www.example.com\r\n"
       "Connection: keep-alive\r\n\r\n");
   const MockWrite kGetAuth(
       "GET / HTTP/1.1\r\n"
       "Host: www.example.com\r\n"
       "Connection: keep-alive\r\n"
@@ skipping 49 matching lines @@
   EXPECT_EQ(OK, rv);
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   EXPECT_FALSE(response->auth_challenge.get() == NULL);
   EXPECT_EQ(0, transport_pool->IdleSocketCountInGroup(kSocketGroup));
 
   // In between rounds, another request comes in for the same domain.
   // It should not be able to grab the TCP socket that trans has already
   // claimed.
   scoped_ptr<HttpTransaction> trans_compete(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   TestCompletionCallback callback_compete;
   rv = trans_compete->Start(
       &request, callback_compete.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   // callback_compete.WaitForResult at this point would stall forever,
   // since the HttpNetworkTransaction does not release the request back to
   // the pool until after authentication completes.
 
   // Second round of authentication.
   auth_handler->SetGenerateExpectation(false, OK);
@@ skipping 24 matching lines @@
     rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
   EXPECT_EQ(0, transport_pool->IdleSocketCountInGroup(kSocketGroup));
 
   // Read the body since the fourth round was successful. This will also
   // release the socket back to the pool.
   scoped_refptr<IOBufferWithSize> io_buf(new IOBufferWithSize(50));
-  rv = trans->Read(io_buf, io_buf->size(), callback.callback());
+  rv = trans->Read(io_buf.get(), io_buf->size(), callback.callback());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(3, rv);
-  rv = trans->Read(io_buf, io_buf->size(), callback.callback());
+  rv = trans->Read(io_buf.get(), io_buf->size(), callback.callback());
   EXPECT_EQ(0, rv);
   // There are still 0 idle sockets, since the trans_compete transaction
   // will be handed it immediately after trans releases it to the group.
   EXPECT_EQ(0, transport_pool->IdleSocketCountInGroup(kSocketGroup));
 
   // The competing request can now finish. Wait for the headers and then
   // read the body.
   rv = callback_compete.WaitForResult();
   EXPECT_EQ(OK, rv);
-  rv = trans_compete->Read(io_buf, io_buf->size(), callback.callback());
+  rv = trans_compete->Read(io_buf.get(), io_buf->size(), callback.callback());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(3, rv);
-  rv = trans_compete->Read(io_buf, io_buf->size(), callback.callback());
+  rv = trans_compete->Read(io_buf.get(), io_buf->size(), callback.callback());
   EXPECT_EQ(0, rv);
 
   // Finally, the socket is released to the group.
   EXPECT_EQ(1, transport_pool->IdleSocketCountInGroup(kSocketGroup));
 }
 
 // This tests the case that a request is issued via http instead of spdy after
 // npn is negotiated.
 TEST_F(HttpNetworkTransactionSpdy3Test, NpnWithHttpOverSSL) {
   HttpStreamFactory::set_use_alternate_protocols(true);
@@ skipping 25 matching lines @@
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   StaticSocketDataProvider data(data_reads, arraysize(data_reads),
                                 data_writes, arraysize(data_writes));
   session_deps_.socket_factory->AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
+  ASSERT_TRUE(response->headers.get() != 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("hello world", response_data);
 
   EXPECT_FALSE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
 }
 
@@ skipping 24 matching lines @@
   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);
 
   TestCompletionCallback callback;
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(ERR_CONNECTION_CLOSED, callback.WaitForResult());
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, 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);
@@ skipping 110 matching lines @@
   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(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   int rv = trans_1->Start(&request, callback_1.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback_1.WaitForResult());
 
   // Second round should attempt a tunnel connect and get an auth challenge.
   TestCompletionCallback callback_2;
   scoped_ptr<HttpTransaction> trans_2(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
   rv = trans_2->Start(&request, callback_2.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback_2.WaitForResult());
   const HttpResponseInfo* response = trans_2->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
   ASSERT_FALSE(response->auth_challenge.get() == NULL);
 
   // Restart with auth. Tunnel should work and response received.
   TestCompletionCallback callback_3;
   rv = trans_2->RestartWithAuth(
@@ skipping 77 matching lines @@
     MockRead(SYNCHRONOUS, OK),
   };
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
 
@@ skipping 43 matching lines @@
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(OK, rv);
   CapturingNetLog::CapturedEntryList entries;
   log.GetEntries(&entries);
   size_t pos = ExpectLogContainsSomewhere(
       entries, 0, NetLog::TYPE_HTTP_TRANSACTION_SEND_TUNNEL_HEADERS,
@@ skipping 49 matching lines @@
 
   StaticSocketDataProvider data1(data_reads1, arraysize(data_reads1),
                                  data_writes1, arraysize(data_writes1));
   session_deps_.socket_factory->AddSocketDataProvider(&data1);
   SSLSocketDataProvider ssl(ASYNC, OK);
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 
   TestCompletionCallback callback1;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback1.callback(), log.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(ERR_EMPTY_RESPONSE, rv);
   CapturingNetLog::CapturedEntryList entries;
   log.GetEntries(&entries);
   size_t pos = ExpectLogContainsSomewhere(
       entries, 0, NetLog::TYPE_HTTP_TRANSACTION_SEND_TUNNEL_HEADERS,
@@ skipping 56 matching lines @@
 
   HttpRequestInfo request;
   request.method = "GET";
   request.url = GURL("https://www.google.com/");
   request.load_flags = 0;
 
   // This is the important line that marks this as a preconnect.
   request.motivation = HttpRequestInfo::PRECONNECT_MOTIVATED;
 
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 }
 
 // Given a net error, cause that error to be returned from the first Write()
 // call and verify that the HttpTransaction fails with that error.
 void HttpNetworkTransactionSpdy3Test::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;
 
 
   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);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   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);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, SSLWriteCertError) {
   // Just check a grab bag of cert errors.
@@ skipping 74 matching lines @@
 
   // Need one more if TLSv1.2 is enabled.
   SSLSocketDataProvider ssl_data5(ASYNC, net::ERR_SSL_PROTOCOL_ERROR);
   ssl_data5.cert_request_info = cert_request.get();
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl_data5);
   net::StaticSocketDataProvider data5(NULL, 0, NULL, 0);
   session_deps_.socket_factory->AddSocketDataProvider(&data5);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // 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
   // client certificate.
   rv = callback.WaitForResult();
   ASSERT_EQ(net::ERR_SSL_CLIENT_AUTH_CERT_NEEDED, rv);
@@ skipping 100 matching lines @@
   // Need one more if TLSv1.2 is enabled.
   SSLSocketDataProvider ssl_data5(ASYNC, net::OK);
   ssl_data5.cert_request_info = cert_request.get();
   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl_data5);
   net::StaticSocketDataProvider data5(
       data2_reads, arraysize(data2_reads), NULL, 0);
   session_deps_.socket_factory->AddSocketDataProvider(&data5);
 
   scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
   scoped_ptr<HttpTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   // 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
   // client certificate.
   rv = callback.WaitForResult();
   ASSERT_EQ(net::ERR_SSL_CLIENT_AUTH_CERT_NEEDED, rv);
@@ skipping 73 matching lines @@
   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();
     scoped_refptr<HttpNetworkSession> session(CreateSession(&session_deps_));
     scoped_ptr<HttpNetworkTransaction> trans(
-        new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+        new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
     // 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);
 
     // Complete the SSL handshake, which should abort due to requiring a
     // client certificate.
     rv = callback.WaitForResult();
@@ skipping 74 matching lines @@
       connect,
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
   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(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans1(DEFAULT_PRIORITY, session.get());
 
   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);
+  ASSERT_TRUE(response->headers.get() != 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 = 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(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans2(DEFAULT_PRIORITY, session.get());
 
   rv = trans2.Start(&request2, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans2.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(&trans2, &response_data));
   EXPECT_EQ("hello!", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, UseIPConnectionPoolingAfterResolution) {
   HttpStreamFactory::set_use_alternate_protocols(true);
   HttpStreamFactory::SetNextProtos(SpdyNextProtos());
@@ skipping 36 matching lines @@
       connect,
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
   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(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans1(DEFAULT_PRIORITY, session.get());
 
   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);
+  ASSERT_TRUE(response->headers.get() != 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);
 
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL("https://www.gmail.com/");
   request2.load_flags = 0;
-  HttpNetworkTransaction trans2(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans2(DEFAULT_PRIORITY, session.get());
 
   rv = trans2.Start(&request2, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans2.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(&trans2, &response_data));
   EXPECT_EQ("hello!", response_data);
 }
 
 class OneTimeCachingHostResolver : public net::HostResolver {
  public:
   explicit OneTimeCachingHostResolver(const HostPortPair& host_port)
@@ skipping 80 matching lines @@
       connect,
       spdy_reads, arraysize(spdy_reads),
       spdy_writes, arraysize(spdy_writes));
   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(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans1(DEFAULT_PRIORITY, session.get());
 
   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);
+  ASSERT_TRUE(response->headers.get() != 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());
   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(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans2(DEFAULT_PRIORITY, session.get());
 
   rv = trans2.Start(&request2, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans2.GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(&trans2, &response_data));
   EXPECT_EQ("hello!", response_data);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, ReadPipelineEvictionFallback) {
   MockRead data_reads1[] = {
     MockRead(SYNCHRONOUS, ERR_PIPELINE_EVICTION),
@@ skipping 91 matching lines @@
   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.load_flags = 0;
-  HttpNetworkTransaction trans1(LOWEST, session);
+  HttpNetworkTransaction trans1(LOWEST, session.get());
   TestCompletionCallback callback1;
   EXPECT_EQ(ERR_IO_PENDING,
             trans1.Start(&request1, callback1.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
 
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_TRUE(trans1.GetResponseInfo()->was_fetched_via_spdy);
 
   // Now, start the HTTP request
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL(httpUrl);
   request2.load_flags = 0;
-  HttpNetworkTransaction trans2(MEDIUM, session);
+  HttpNetworkTransaction trans2(MEDIUM, session.get());
   TestCompletionCallback callback2;
   EXPECT_EQ(ERR_IO_PENDING,
             trans2.Start(&request2, callback2.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
 
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_FALSE(trans2.GetResponseInfo()->was_fetched_via_spdy);
 }
 
 TEST_F(HttpNetworkTransactionSpdy3Test, DoNotUseSpdySessionForHttpOverTunnel) {
@@ skipping 50 matching lines @@
   session_deps_.deterministic_socket_factory->AddSocketDataProvider(&data1);
 
   scoped_refptr<HttpNetworkSession> session(
       SpdySessionDependencies::SpdyCreateSessionDeterministic(&session_deps_));
 
   // Start the first transaction to set up the SpdySession
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL(https_url);
   request1.load_flags = 0;
-  HttpNetworkTransaction trans1(LOWEST, session);
+  HttpNetworkTransaction trans1(LOWEST, session.get());
   TestCompletionCallback callback1;
   EXPECT_EQ(ERR_IO_PENDING,
             trans1.Start(&request1, callback1.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
   data1.RunFor(4);
 
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_TRUE(trans1.GetResponseInfo()->was_fetched_via_spdy);
 
   LoadTimingInfo load_timing_info1;
   EXPECT_TRUE(trans1.GetLoadTimingInfo(&load_timing_info1));
   TestLoadTimingNotReusedWithPac(load_timing_info1,
                                  CONNECT_TIMING_HAS_SSL_TIMES);
 
   // Now, start the HTTP request
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL(httpUrl);
   request2.load_flags = 0;
-  HttpNetworkTransaction trans2(MEDIUM, session);
+  HttpNetworkTransaction trans2(MEDIUM, session.get());
   TestCompletionCallback callback2;
   EXPECT_EQ(ERR_IO_PENDING,
             trans2.Start(&request2, callback2.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
   data1.RunFor(3);
 
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_TRUE(trans2.GetResponseInfo()->was_fetched_via_spdy);
 
   // HTTP requests over a SPDY session should have a different connection
@@ skipping 41 matching lines @@
   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.load_flags = 0;
-  HttpNetworkTransaction trans1(LOWEST, session);
+  HttpNetworkTransaction trans1(LOWEST, session.get());
   TestCompletionCallback callback1;
   EXPECT_EQ(ERR_IO_PENDING,
             trans1.Start(&request1, callback1.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
 
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_TRUE(trans1.GetResponseInfo()->was_fetched_via_spdy);
 
   // Now, start the HTTP request
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL(http_url);
   request2.load_flags = 0;
-  HttpNetworkTransaction trans2(MEDIUM, session);
+  HttpNetworkTransaction trans2(MEDIUM, session.get());
   TestCompletionCallback callback2;
   EXPECT_EQ(ERR_IO_PENDING,
             trans2.Start(&request2, callback2.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
 
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_TRUE(trans2.GetResponseInfo()->was_fetched_via_spdy);
 }
 
 // Test that in the case where we have a SPDY session to a SPDY proxy
@@ skipping 88 matching lines @@
   session_deps_.host_resolver->rules()->AddRule("proxy", ip_addr);
 
   scoped_refptr<HttpNetworkSession> session(
       SpdySessionDependencies::SpdyCreateSessionDeterministic(&session_deps_));
 
   // Start the first transaction to set up the SpdySession
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL(url1);
   request1.load_flags = 0;
-  HttpNetworkTransaction trans1(DEFAULT_PRIORITY, session);
+  HttpNetworkTransaction trans1(DEFAULT_PRIORITY, session.get());
   TestCompletionCallback callback1;
   ASSERT_EQ(ERR_IO_PENDING,
             trans1.Start(&request1, callback1.callback(), BoundNetLog()));
   data1->RunFor(3);
 
   ASSERT_TRUE(callback1.have_result());
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_TRUE(trans1.GetResponseInfo()->was_fetched_via_spdy);
 
   // Now, start the HTTP request
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL(url2);
   request2.load_flags = 0;
-  HttpNetworkTransaction trans2(MEDIUM, session);
+  HttpNetworkTransaction trans2(MEDIUM, session.get());
   TestCompletionCallback callback2;
   EXPECT_EQ(ERR_IO_PENDING,
             trans2.Start(&request2, callback2.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
   data2->RunFor(3);
 
   ASSERT_TRUE(callback2.have_result());
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_TRUE(trans2.GetResponseInfo()->was_fetched_via_spdy);
 }
@@ skipping 45 matching lines @@
 
   scoped_refptr<HttpNetworkSession> session(
       SpdySessionDependencies::SpdyCreateSessionDeterministic(&session_deps_));
 
   // Start the first transaction to set up the SpdySession and verify that
   // connection was closed.
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL(https_url);
   request1.load_flags = 0;
-  HttpNetworkTransaction trans1(MEDIUM, session);
+  HttpNetworkTransaction trans1(MEDIUM, session.get());
   TestCompletionCallback callback1;
   EXPECT_EQ(ERR_IO_PENDING,
             trans1.Start(&request1, callback1.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(ERR_CONNECTION_CLOSED, callback1.WaitForResult());
 
   // Now, start the second request and make sure it succeeds.
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL(https_url);
   request2.load_flags = 0;
-  HttpNetworkTransaction trans2(MEDIUM, session);
+  HttpNetworkTransaction trans2(MEDIUM, session.get());
   TestCompletionCallback callback2;
   EXPECT_EQ(ERR_IO_PENDING,
             trans2.Start(&request2, callback2.callback(), BoundNetLog()));
   base::MessageLoop::current()->RunUntilIdle();
   data2->RunFor(3);
 
   ASSERT_TRUE(callback2.have_result());
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_TRUE(trans2.GetResponseInfo()->was_fetched_via_spdy);
 }
@@ skipping 76 matching lines @@
       host_port_pair_a, ProxyServer::Direct(), kPrivacyModeDisabled);
   EXPECT_FALSE(
       session->spdy_session_pool()->HasSession(spdy_session_key_a));
 
   TestCompletionCallback callback;
   HttpRequestInfo request1;
   request1.method = "GET";
   request1.url = GURL("https://www.a.com/");
   request1.load_flags = 0;
   scoped_ptr<HttpNetworkTransaction> trans(
-      new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+      new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   int rv = trans->Start(&request1, 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);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
 
   std::string response_data;
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello!", response_data);
   trans.reset();
   EXPECT_TRUE(
       session->spdy_session_pool()->HasSession(spdy_session_key_a));
 
   HostPortPair host_port_pair_b("www.b.com", 443);
   SpdySessionKey spdy_session_key_b(
       host_port_pair_b, ProxyServer::Direct(), kPrivacyModeDisabled);
   EXPECT_FALSE(
       session->spdy_session_pool()->HasSession(spdy_session_key_b));
   HttpRequestInfo request2;
   request2.method = "GET";
   request2.url = GURL("https://www.b.com/");
   request2.load_flags = 0;
-  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans->Start(&request2, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_TRUE(response->was_fetched_via_spdy);
   EXPECT_TRUE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello!", response_data);
   EXPECT_FALSE(
       session->spdy_session_pool()->HasSession(spdy_session_key_a));
   EXPECT_TRUE(
       session->spdy_session_pool()->HasSession(spdy_session_key_b));
 
   HostPortPair host_port_pair_a1("www.a.com", 80);
   SpdySessionKey spdy_session_key_a1(
       host_port_pair_a1, ProxyServer::Direct(), kPrivacyModeDisabled);
   EXPECT_FALSE(
       session->spdy_session_pool()->HasSession(spdy_session_key_a1));
   HttpRequestInfo request3;
   request3.method = "GET";
   request3.url = GURL("http://www.a.com/");
   request3.load_flags = 0;
-  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session));
+  trans.reset(new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   rv = trans->Start(&request3, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
-  ASSERT_TRUE(response->headers != NULL);
+  ASSERT_TRUE(response->headers.get() != NULL);
   EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
   EXPECT_FALSE(response->was_fetched_via_spdy);
   EXPECT_FALSE(response->was_npn_negotiated);
   ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
   EXPECT_EQ("hello!", response_data);
   EXPECT_FALSE(
       session->spdy_session_pool()->HasSession(spdy_session_key_a));
   EXPECT_FALSE(
       session->spdy_session_pool()->HasSession(spdy_session_key_b));
 
   HttpStreamFactory::SetNextProtos(std::vector<std::string>());
 }
 
 }  // namespace net