Switch IPC::ChannelProxy to use MessageLoopProxy instead of MessageLoop. This allows us to remov...

content/renderer/audio_input_message_filter.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.
 //
 // MessageFilter that handles audio input messages and delegates them to
 // audio capturers. Created on render thread, AudioMessageFilter is operated on
 // IO thread (main thread of render process), it intercepts audio messages
 // and process them on IO thread since these messages are time critical.
 // This implementation only supports low-latency (based on SyncSocket)
 // messaging.
 
 #ifndef CONTENT_RENDERER_AUDIO_INPUT_MESSAGE_FILTER_H_
 #define CONTENT_RENDERER_AUDIO_INPUT_MESSAGE_FILTER_H_
 #pragma once
 
 #include "base/id_map.h"
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "media/audio/audio_buffers_state.h"
 
+class MessageLoop;
+
 class AudioInputMessageFilter : public IPC::ChannelProxy::MessageFilter {
  public:
   class Delegate {
    public:
     // Called when a low-latency audio input stream has been created in the
     // browser process.
     virtual void OnLowLatencyCreated(base::SharedMemoryHandle handle,
                                      base::SyncSocket::Handle socket_handle,
                                      uint32 length) = 0;
 
@@ skipping 47 matching lines @@
   IPC::Channel* channel_;
 
   int32 route_id_;
 
   MessageLoop* message_loop_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AudioInputMessageFilter);
 };
 
 #endif  // CONTENT_RENDERER_AUDIO_INPUT_MESSAGE_FILTER_H_