Use MessageLoopProxy for network message loop.

remoting/client/client_context.h

 // Copyright (c) 2010 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.
 
 #ifndef REMOTING_CLIENT_CLIENT_CONTEXT_H_
 #define REMOTING_CLIENT_CLIENT_CONTEXT_H_
 
 #include <string>
 
+#include "base/message_loop_proxy.h"
 #include "base/threading/thread.h"
 
 namespace remoting {
 
 // A class that manages threads and running context for the chromoting client
 // process.
 class ClientContext {
  public:
   ClientContext();
   virtual ~ClientContext();
 
   void Start();
   void Stop();
 
   MessageLoop* main_message_loop();
   MessageLoop* decode_message_loop();
-  MessageLoop* network_message_loop();
+  base::MessageLoopProxy* network_message_loop();
 
  private:
   // A thread that handles capture rate control and sending data to the
   // HostConnection.
   base::Thread main_thread_;
 
   // A thread that handles all decode operations.
   base::Thread decode_thread_;
 
   // A thread that handles all network IO.
+  //
+  // TODO(sergeyu): Remove |network_thread_| and use main plugin
+  // message loop for network IO.
   base::Thread network_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientContext);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_CLIENT_CONTEXT_H_