Replace MessageLoopProxy with SingleThreadTaskRunner for media/filters/ + associated code.

media/filters/gpu_video_decoder.h

 // Copyright (c) 2012 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 MEDIA_FILTERS_GPU_VIDEO_DECODER_H_
 #define MEDIA_FILTERS_GPU_VIDEO_DECODER_H_
 
 #include <list>
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/video_decoder.h"
 #include "media/video/video_decode_accelerator.h"
 
 template <class T> class scoped_refptr;
 
 namespace base {
-class MessageLoopProxy;
 class SharedMemory;
+class SingleThreadTaskRunner;
 }
 
 namespace media {
 
 class DecoderBuffer;
 class GpuVideoAcceleratorFactories;
 class MediaLog;
 
 // GPU-accelerated video decoder implementation.  Relies on
 // AcceleratedVideoDecoderMsg_Decode and friends.
 class MEDIA_EXPORT GpuVideoDecoder
     : public VideoDecoder,
       public VideoDecodeAccelerator::Client {
  public:
-  // The message loop of |factories| will be saved to |gvd_loop_proxy_|.
+  // The message loop of |factories| will be saved to |gvd_task_runner_|.
   explicit GpuVideoDecoder(
       const scoped_refptr<GpuVideoAcceleratorFactories>& factories,
       const scoped_refptr<MediaLog>& media_log);
 
   // VideoDecoder implementation.
   virtual void Initialize(const VideoDecoderConfig& config,
                           const PipelineStatusCB& status_cb) OVERRIDE;
   virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer,
                       const DecodeCB& decode_cb) OVERRIDE;
   virtual void Reset(const base::Closure& closure) OVERRIDE;
@@ skipping 70 matching lines @@
 
   // Return a shared-memory segment to the available pool.
   void PutSHM(SHMBuffer* shm_buffer);
 
   // Destroy all PictureBuffers in |buffers|, and delete their textures.
   void DestroyPictureBuffers(PictureBufferMap* buffers);
 
   bool needs_bitstream_conversion_;
 
   // Message loop which this class and |factories_| run on.
-  scoped_refptr<base::MessageLoopProxy> gvd_loop_proxy_;
+  scoped_refptr<base::SingleThreadTaskRunner> gvd_task_runner_;
   base::WeakPtrFactory<GpuVideoDecoder> weak_factory_;
   base::WeakPtr<GpuVideoDecoder> weak_this_;
 
   scoped_refptr<GpuVideoAcceleratorFactories> factories_;
 
   // Populated during Initialize() (on success) and unchanged until an error
   // occurs.
   scoped_ptr<VideoDecodeAccelerator> vda_;
 
   // Callbacks that are !is_null() only during their respective operation being
@@ skipping 43 matching lines @@
   // Set during ProvidePictureBuffers(), used for checking and implementing
   // HasAvailableOutputFrames().
   int available_pictures_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuVideoDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_GPU_VIDEO_DECODER_H_