Add AudioBufferStream.

media/filters/decoder_selector.h

Index: media/filters/decoder_selector.h
diff --git a/media/filters/decoder_selector.h b/media/filters/decoder_selector.h
index aa0b8a42ed737333f070ed994ebb8bcd71d5a624..bdf643e74d53ef5aaccbdb6823141ec479460f24 100644
--- a/media/filters/decoder_selector.h
+++ b/media/filters/decoder_selector.h
@@ -65,7 +65,6 @@ class MEDIA_EXPORT DecoderSelector {
   // Selected Decoder (and DecryptingDemuxerStream) is returned via
   // the |select_decoder_cb|.
   void SelectDecoder(DemuxerStream* stream,
-                     StatisticsCB statistics_cb,
                      const SelectDecoderCB& select_decoder_cb);
 
   // Aborts pending Decoder selection and fires |select_decoder_cb| with
@@ -78,7 +77,6 @@ class MEDIA_EXPORT DecoderSelector {
   void InitializeDecoder();
   void DecoderInitDone(PipelineStatus status);
   void ReturnNullDecoder();
-  void DoInitializeDecoder(const PipelineStatusCB& status_cb);
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   ScopedVector<Decoder> decoders_;
@@ -87,8 +85,6 @@ class MEDIA_EXPORT DecoderSelector {
   DemuxerStream* input_stream_;
   SelectDecoderCB select_decoder_cb_;
 
-  StatisticsCB statistics_cb_;
-
   scoped_ptr<Decoder> decoder_;
   scoped_ptr<DecryptingDemuxerStream> decrypted_stream_;
 
@@ -100,10 +96,6 @@ class MEDIA_EXPORT DecoderSelector {
 typedef DecoderSelector<DemuxerStream::VIDEO> VideoDecoderSelector;
 typedef DecoderSelector<DemuxerStream::AUDIO> AudioDecoderSelector;
 
-template <>
-void AudioDecoderSelector::DoInitializeDecoder(
-    const PipelineStatusCB& status_cb);
-
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECODER_SELECTOR_H_