Use MessageLoopProxy for network message loop.

remoting/host/screen_recorder.h

 // Copyright (c) 2011 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_HOST_SCREEN_RECORDER_H_
 #define REMOTING_HOST_SCREEN_RECORDER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "remoting/base/encoder.h"
 #include "remoting/host/capturer.h"
 #include "remoting/proto/video.pb.h"
 
+namespace base {
+class MessageLoopProxy;
+}  // namespace base
+
 namespace remoting {
 
 namespace protocol {
 class ConnectionToClient;
 }  // namespace protocol
 
 class CaptureData;
 
 // A class for controlling and coordinate Capturer, Encoder
 // and NetworkChannel in a record session.
@@ skipping 37 matching lines @@
 //                      the capture thread by this object.
 // |network_stopped_| - This state is to prevent activity on the network thread
 //                      if set to false.
 class ScreenRecorder : public base::RefCountedThreadSafe<ScreenRecorder> {
  public:
 
   // Construct a ScreenRecorder. Message loops and threads are provided.
   // This object does not own capturer but owns encoder.
   ScreenRecorder(MessageLoop* capture_loop,
                  MessageLoop* encode_loop,
-                 MessageLoop* network_loop,
+                 base::MessageLoopProxy* network_loop,
                  Capturer* capturer,
                  Encoder* encoder);
 
   virtual ~ScreenRecorder();
 
   // Start recording.
   void Start();
 
   // Stop the recording session. |done_task| is executed when recording is fully
   // stopped. This object cannot be used again after |task| is executed.
@@ skipping 65 matching lines @@
   // Perform stop operations on encode thread.
   void DoStopOnEncodeThread(Task* done_task);
 
   // EncodedDataAvailableCallback takes ownership of |packet|.
   void EncodedDataAvailableCallback(VideoPacket* packet);
   void SendVideoPacket(VideoPacket* packet);
 
   // Message loops used by this class.
   MessageLoop* capture_loop_;
   MessageLoop* encode_loop_;
-  MessageLoop* network_loop_;
+  scoped_refptr<base::MessageLoopProxy> network_loop_;
 
   // Reference to the capturer. This member is always accessed on the capture
   // thread.
   Capturer* capturer_;
 
   // Reference to the encoder. This member is always accessed on the encode
   // thread.
   scoped_ptr<Encoder> encoder_;
 
   // A list of clients connected to this hosts.
@@ skipping 32 matching lines @@
 
   // This is a number updated by client to trace performance.
   int64 sequence_number_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenRecorder);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_SCREEN_RECORDER_H_