Change media MessageLoopProxy usage to SingleThreadTaskRunners.

content/renderer/media/webmediaplayer_impl.h

 // Copyright 2013 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 CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
 #include "url/gurl.h"
 
 namespace blink {
 class WebLocalFrame;
 }
 
 namespace base {
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }
 
 namespace cc_blink {
 class WebLayerImpl;
 }
 
 namespace media {
 class ChunkDemuxer;
 class GpuVideoAcceleratorFactories;
 class MediaLog;
@@ skipping 175 matching lines @@
 
   blink::WebLocalFrame* frame_;
 
   // TODO(hclam): get rid of these members and read from the pipeline directly.
   blink::WebMediaPlayer::NetworkState network_state_;
   blink::WebMediaPlayer::ReadyState ready_state_;
 
   // Preload state for when |data_source_| is created after setPreload().
   content::Preload preload_;
 
-  // Message loops for posting tasks on Chrome's main thread. Also used
+  // Task runner for posting tasks on Chrome's main thread. Also used
   // for DCHECKs so methods calls won't execute in the wrong thread.
-  const scoped_refptr<base::MessageLoopProxy> main_loop_;
+  const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
 
-  scoped_refptr<base::MessageLoopProxy> media_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_;
   scoped_refptr<media::MediaLog> media_log_;
   media::Pipeline pipeline_;
 
   // The LoadType passed in the |load_type| parameter of the load() call.
   LoadType load_type_;
 
   // Cache of metadata for answering hasAudio(), hasVideo(), and naturalSize().
   media::PipelineMetadata pipeline_metadata_;
 
   // Whether the video is known to be opaque or not.
@@ skipping 64 matching lines @@
   int text_track_index_;
 
   scoped_ptr<EncryptedMediaPlayerSupport> encrypted_media_support_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_IMPL_H_