Add AudioBufferStream.

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/media_export.h"
 #include "media/base/pipeline_status.h"
 #include "ui/gfx/size.h"
 
 namespace media {
 
 class DecoderBuffer;
 class VideoDecoderConfig;
 class VideoFrame;
 
 class MEDIA_EXPORT VideoDecoder {
  public:
   // Status codes for decode operations on VideoDecoder.
+  // TODO(rileya): Now that  both AudioDecoder and VideoDecoder Status enums

[xhwang, 2014/02/27 19:52:28]

double space after "that"

+  // match, break them into a decoder_status.h.
   enum Status {
     kOk,  // Everything went as planned.
     kAborted,  // Decode was aborted as a result of Reset() being called.
     kNotEnoughData,  // Not enough data to produce a video frame.
     kDecodeError,  // Decoding error happened.
     kDecryptError  // Decrypting error happened.
   };
 
   VideoDecoder();
   virtual ~VideoDecoder();
@@ skipping 53 matching lines @@
   // use a fixed set of VideoFrames for decoding.
   virtual bool CanReadWithoutStalling() const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_H_