Add default impl for DemuxerStream::EnableBitstreamConverter();

media/filters/fake_demuxer_stream.h

 // Copyright (c) 2013 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_FILTERS_FAKE_DEMUXER_STREAM_H_
 #define MEDIA_FILTERS_FAKE_DEMUXER_STREAM_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/audio_decoder_config.h"
@@ skipping 14 matching lines @@
   FakeDemuxerStream(int num_configs,
                     int num_buffers_in_one_config,
                     bool is_encrypted);
   virtual ~FakeDemuxerStream();
 
   // DemuxerStream implementation.
   virtual void Read(const ReadCB& read_cb) OVERRIDE;
   virtual AudioDecoderConfig audio_decoder_config() OVERRIDE;
   virtual VideoDecoderConfig video_decoder_config() OVERRIDE;
   virtual Type type() OVERRIDE;
-  virtual void EnableBitstreamConverter() OVERRIDE;
   virtual bool SupportsConfigChanges() OVERRIDE;
   virtual VideoRotation video_rotation() OVERRIDE;
 
   void Initialize();
 
   int num_buffers_returned() const { return num_buffers_returned_; }
 
   // Upon the next read, holds the read callback until SatisfyRead() or Reset()
   // is called.
   void HoldNextRead();
@@ skipping 53 matching lines @@
   // Zero-based number indicating which read operation should be held. -1 means
   // no read shall be held.
   int read_to_hold_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeDemuxerStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_FAKE_DEMUXER_STREAM_H_