Revert of Remove reference counting from HttpNetworkSession.

net/http/http_network_session_peer.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_session_peer.h"
 
 #include "net/http/http_network_session.h"
 #include "net/http/http_proxy_client_socket_pool.h"
 #include "net/proxy/proxy_service.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/socket/socks_client_socket_pool.h"
 #include "net/socket/ssl_client_socket_pool.h"
 #include "net/socket/transport_client_socket_pool.h"
 
 namespace net {
 
-HttpNetworkSessionPeer::HttpNetworkSessionPeer(HttpNetworkSession* session)
+HttpNetworkSessionPeer::HttpNetworkSessionPeer(
+    const scoped_refptr<HttpNetworkSession>& session)
     : session_(session) {}
 
 HttpNetworkSessionPeer::~HttpNetworkSessionPeer() {}
 
 void HttpNetworkSessionPeer::SetClientSocketPoolManager(
     scoped_ptr<ClientSocketPoolManager> socket_pool_manager) {
   session_->normal_socket_pool_manager_.swap(socket_pool_manager);
 }
 
 void HttpNetworkSessionPeer::SetProxyService(ProxyService* proxy_service) {
   session_->proxy_service_ = proxy_service;
 }
 
 void HttpNetworkSessionPeer::SetHttpStreamFactory(
     scoped_ptr<HttpStreamFactory> http_stream_factory) {
   session_->http_stream_factory_.swap(http_stream_factory);
 }
 
 void HttpNetworkSessionPeer::SetHttpStreamFactoryForWebSocket(
     scoped_ptr<HttpStreamFactory> http_stream_factory) {
   session_->http_stream_factory_for_websocket_.swap(http_stream_factory);
 }
 
 }  // namespace net