Add AudioBufferStream.

media/base/mock_filters.h

Index: media/base/mock_filters.h
diff --git a/media/base/mock_filters.h b/media/base/mock_filters.h
index 96c560484e4da2e93fe84c8393eb3083b1f0cd15..8b2a1c2d0a337b52af72640da0a06165ade49a48 100644
--- a/media/base/mock_filters.h
+++ b/media/base/mock_filters.h
@@ -91,10 +91,11 @@ class MockAudioDecoder : public AudioDecoder {
   virtual ~MockAudioDecoder();
 
   // AudioDecoder implementation.
-  MOCK_METHOD3(Initialize, void(DemuxerStream*,
-                                const PipelineStatusCB&,
-                                const StatisticsCB&));
-  MOCK_METHOD1(Read, void(const ReadCB&));
+  MOCK_METHOD2(Initialize, void(const AudioDecoderConfig& config,
+                                const PipelineStatusCB&));
+  MOCK_METHOD2(Decode,
+               void(const scoped_refptr<DecoderBuffer>& buffer,
+                    const DecodeCB&));
   MOCK_METHOD0(bits_per_channel, int(void));
   MOCK_METHOD0(channel_layout, ChannelLayout(void));
   MOCK_METHOD0(samples_per_second, int(void));