Chromecast: MessageLoopProxy cleanup --> SingleThreadTaskRunner.

chromecast/renderer/media/cma_message_filter_proxy.h

 // Copyright 2014 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 CHROMECAST_RENDERER_MEDIA_CMA_MESSAGE_FILTER_PROXY_H_
 #define CHROMECAST_RENDERER_MEDIA_CMA_MESSAGE_FILTER_PROXY_H_
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/sync_socket.h"
 #include "chromecast/common/media/cma_ipc_common.h"
 #include "chromecast/media/cma/pipeline/av_pipeline_client.h"
 #include "chromecast/media/cma/pipeline/media_pipeline_client.h"
 #include "chromecast/media/cma/pipeline/video_pipeline_client.h"
 #include "ipc/message_filter.h"
 #include "media/base/buffering_state.h"
 #include "media/base/pipeline_status.h"
 
 namespace base {
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }
 
 namespace chromecast {
 namespace media {
 
 typedef base::Callback<void(
     bool, base::SharedMemoryHandle, base::FileDescriptor)> AvPipeCB;
 
 class CmaMessageFilterProxy : public IPC::MessageFilter {
  public:
@@ skipping 19 matching lines @@
     VideoDelegate();
     ~VideoDelegate();
 
     AvPipeCB av_pipe_cb;
     base::Closure pipe_read_cb;
     ::media::PipelineStatusCB state_changed_cb;
     VideoPipelineClient client;
   };
 
   explicit CmaMessageFilterProxy(
-      const scoped_refptr<base::MessageLoopProxy>& io_message_loop);
+      const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
 
   // Getter for the one CmaMessageFilterHost object.
   static CmaMessageFilterProxy* Get();
 
   int CreateChannel();
   void DestroyChannel(int id);
 
   // For adding/removing delegates.
   bool SetMediaDelegate(int id, const MediaDelegate& media_delegate);
   bool SetAudioDelegate(int id, const AudioDelegate& audio_delegate);
@@ skipping 44 matching lines @@
                             const gfx::Size& natural_size);
 
   // The singleton instance for this filter.
   static CmaMessageFilterProxy* filter_;
 
   // A map of media ids to delegates.
   IDMap<DelegateEntry> delegates_;
 
   IPC::Sender* sender_;
 
-  scoped_refptr<base::MessageLoopProxy> const io_message_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> const io_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(CmaMessageFilterProxy);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_RENDERER_MEDIA_CMA_MESSAGE_FILTER_PROXY_H_