Revert of Remove reference counting from HttpNetworkSession.

net/http/http_proxy_client_socket_pool_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_proxy_client_socket_pool.h"
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 269 matching lines @@
         InitializeSpdySsl();
       }
       socket_factory()->AddSSLSocketDataProvider(ssl_data_.get());
     }
   }
 
   void InitializeSpdySsl() {
     ssl_data_->SetNextProto(GetParam().protocol);
   }
 
-  scoped_ptr<HttpNetworkSession> CreateNetworkSession() {
+  HttpNetworkSession* CreateNetworkSession() {
     return SpdySessionDependencies::SpdyCreateSession(&session_deps_);
   }
 
   RequestPriority GetLastTransportRequestPriority() const {
     return transport_socket_pool_.last_request_priority();
   }
 
  private:
   SpdySessionDependencies session_deps_;
 
   MockTransportClientSocketPool transport_socket_pool_;
   MockHostResolver host_resolver_;
   scoped_ptr<CertVerifier> cert_verifier_;
   SSLClientSocketPool ssl_socket_pool_;
 
-  const scoped_ptr<HttpNetworkSession> session_;
+  const scoped_refptr<HttpNetworkSession> session_;
 
  protected:
   SpdyTestUtil spdy_util_;
   scoped_ptr<SSLSocketDataProvider> ssl_data_;
   scoped_ptr<SequencedSocketData> data_;
   HttpProxyClientSocketPool pool_;
   ClientSocketHandle handle_;
   TestCompletionCallback callback_;
 };
 
@@ skipping 495 matching lines @@
     EXPECT_TRUE(headers->IsRedirect(&location));
     EXPECT_EQ(location, redirectTarget);
   }
 }
 
 // It would be nice to also test the timeouts in HttpProxyClientSocketPool.
 
 }  // namespace
 
 }  // namespace net