Add AudioBufferStream.

media/filters/fake_video_decoder.h

Index: media/filters/fake_video_decoder.h
diff --git a/media/filters/fake_video_decoder.h b/media/filters/fake_video_decoder.h
index bd0b28450a917ddd6a47b285a058fce364f41616..7afa7240f95a9ea430c0c2174c67266a5c8ece4d 100644
--- a/media/filters/fake_video_decoder.h
+++ b/media/filters/fake_video_decoder.h
@@ -40,6 +40,10 @@ class FakeVideoDecoder : public VideoDecoder {
                       const DecodeCB& decode_cb) OVERRIDE;
   virtual void Reset(const base::Closure& closure) OVERRIDE;
   virtual void Stop(const base::Closure& closure) OVERRIDE;
+  virtual scoped_refptr<VideoFrame> GetDecodeOutput() OVERRIDE;
+
+  // Queue up a VideoFrame to be returned by GetDecodeOutput().
+  void QueueRead();

[xhwang, 2014/03/06 23:32:40]

You probably also need to update fake_video_decoder_unittest.cc.

 
   // Holds the next init/read/reset/stop callback from firing.
   void HoldNextInit();
@@ -55,6 +59,7 @@ class FakeVideoDecoder : public VideoDecoder {
   void SatisfyStop();
 
   int total_bytes_decoded() const { return total_bytes_decoded_; }
+  int reads_queued() const { return reads_queued_; }
 
  private:
   enum State {
@@ -90,6 +95,8 @@ class FakeVideoDecoder : public VideoDecoder {
 
   int total_bytes_decoded_;
 
+  int reads_queued_;
+
   DISALLOW_COPY_AND_ASSIGN(FakeVideoDecoder);
 };