Revert of Allow muting/unmuting audio through media track API

media/base/mock_filters.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_MOCK_FILTERS_H_
 #define MEDIA_BASE_MOCK_FILTERS_H_
 
 #include <stdint.h>
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "media/base/audio_decoder.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/audio_renderer.h"
 #include "media/base/cdm_context.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/decryptor.h"
 #include "media/base/demuxer.h"
-#include "media/base/media_tracks.h"
 #include "media/base/pipeline.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/renderer.h"
 #include "media/base/text_track.h"
 #include "media/base/time_source.h"
 #include "media/base/video_decoder.h"
 #include "media/base/video_decoder_config.h"
 #include "media/base/video_frame.h"
 #include "media/base/video_renderer.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 77 matching lines @@
                void(DemuxerHost* host, const PipelineStatusCB& cb, bool));
   MOCK_METHOD1(StartWaitingForSeek, void(base::TimeDelta));
   MOCK_METHOD1(CancelPendingSeek, void(base::TimeDelta));
   MOCK_METHOD2(Seek, void(base::TimeDelta time, const PipelineStatusCB& cb));
   MOCK_METHOD0(Stop, void());
   MOCK_METHOD1(GetStream, DemuxerStream*(DemuxerStream::Type));
   MOCK_CONST_METHOD0(GetStartTime, base::TimeDelta());
   MOCK_CONST_METHOD0(GetTimelineOffset, base::Time());
   MOCK_CONST_METHOD0(GetMemoryUsage, int64_t());
 
-  MOCK_METHOD2(OnTrackIdsAssigned,
-               void(const MediaTracks&, const std::vector<unsigned>&));
-  MOCK_CONST_METHOD1(GetDemuxerStreamByTrackId, const DemuxerStream*(unsigned));
-
  private:
   DISALLOW_COPY_AND_ASSIGN(MockDemuxer);
 };
 
 class MockDemuxerStream : public DemuxerStream {
  public:
   explicit MockDemuxerStream(DemuxerStream::Type type);
   virtual ~MockDemuxerStream();
 
   // DemuxerStream implementation.
@@ skipping 213 matching lines @@
   MOCK_METHOD0(GetDecryptor, Decryptor*());
   int GetCdmId() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCdmContext);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MOCK_FILTERS_H_