[SPDY] Use WeakPtr<SpdySession> everywhere but SpdySessionPool

net/spdy/spdy_network_transaction_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 <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
@@ skipping 546 matching lines @@
     // This lengthy block is reaching into the pool to dig out the active
     // session.  Once we have the session, we verify that the streams are
     // all closed and not leaked at this point.
     const GURL& url = helper.request().url;
     int port = helper.test_params().ssl_type == SPDYNPN ? 443 : 80;
     HostPortPair host_port_pair(url.host(), port);
     SpdySessionKey key(host_port_pair, ProxyServer::Direct(),
                        kPrivacyModeDisabled);
     BoundNetLog log;
     const scoped_refptr<HttpNetworkSession>& session = helper.session();
-    scoped_refptr<SpdySession> spdy_session =
+    base::WeakPtr<SpdySession> spdy_session =
         session->spdy_session_pool()->FindAvailableSession(key, log);
     ASSERT_TRUE(spdy_session != NULL);
     EXPECT_EQ(0u, spdy_session->num_active_streams());
     EXPECT_EQ(0u, spdy_session->num_unclaimed_pushed_streams());
   }
 
   void RunServerPushTest(OrderedSocketData* data,
                          HttpResponseInfo* response,
                          HttpResponseInfo* push_response,
                          const std::string& expected) {
@@ skipping 5808 matching lines @@
   // since we're send-stalled.
   EXPECT_TRUE(stream->stream()->send_stalled_by_flow_control());
 
   // Read in WINDOW_UPDATE or SETTINGS frame.
   data.RunFor((GetParam().protocol >= kProtoSPDY31) ? 8 : 7);
   rv = callback.WaitForResult();
   helper.VerifyDataConsumed();
 }
 
 }  // namespace net