Revert of Remove reference counting from HttpNetworkSession.

jingle/glue/proxy_resolving_client_socket.h

 // 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.
 //
 // This StreamSocket implementation wraps a ClientSocketHandle that is created
 // from the client socket pool after resolving proxies.
 
 #ifndef JINGLE_GLUE_PROXY_RESOLVING_CLIENT_SOCKET_H_
 #define JINGLE_GLUE_PROXY_RESOLVING_CLIENT_SOCKET_H_
 
@@ skipping 71 matching lines @@
 
   void CloseTransportSocket();
   void RunUserConnectCallback(int status);
   int ReconsiderProxyAfterError(int error);
   void ReportSuccessfulProxyConnection();
 
   // Callbacks passed to net APIs.
   net::CompletionCallback proxy_resolve_callback_;
   net::CompletionCallback connect_callback_;
 
-  scoped_ptr<net::HttpNetworkSession> network_session_;
+  scoped_refptr<net::HttpNetworkSession> network_session_;
 
   // The transport socket.
   scoped_ptr<net::ClientSocketHandle> transport_;
 
   const net::SSLConfig ssl_config_;
   net::ProxyService::PacRequest* pac_request_;
   net::ProxyInfo proxy_info_;
   const net::HostPortPair dest_host_port_pair_;
   const GURL proxy_url_;
   bool tried_direct_connect_fallback_;
   net::BoundNetLog bound_net_log_;
 
   // The callback passed to Connect().
   net::CompletionCallback user_connect_callback_;
 
   base::WeakPtrFactory<ProxyResolvingClientSocket> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyResolvingClientSocket);
 };
 
 }  // namespace jingle_glue
 
 #endif  // JINGLE_GLUE_PROXY_RESOLVING_CLIENT_SOCKET_H_