Introducing DecoderBuffer and general Buffer cleanup.

media/base/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_BASE_VIDEO_DECODER_H_
 #define MEDIA_BASE_VIDEO_DECODER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/media_export.h"
 #include "ui/gfx/size.h"
 
 namespace media {
 
-class Buffer;
 class DemuxerStream;
 class VideoFrame;
 
 class MEDIA_EXPORT VideoDecoder
     : public base::RefCountedThreadSafe<VideoDecoder> {
  public:
   // Status codes for read operations on VideoDecoder.
   enum DecoderStatus {
     kOk,  // Everything went as planned.
     kDecodeError,  // Decoding error happened.
@@ skipping 59 matching lines @@
   friend class base::RefCountedThreadSafe<VideoDecoder>;
   virtual ~VideoDecoder();
   VideoDecoder();
 
   DISALLOW_COPY_AND_ASSIGN(VideoDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_H_