Refactor MediaResource to be multi-stream capable

media/mojo/services/mojo_demuxer_stream_adapter.cc

 // Copyright 2014 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.
 
 #include "media/mojo/services/mojo_demuxer_stream_adapter.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 61 matching lines @@
 
 bool MojoDemuxerStreamAdapter::enabled() const {
   return true;
 }
 
 void MojoDemuxerStreamAdapter::set_enabled(bool enabled,
                                            base::TimeDelta timestamp) {
   NOTIMPLEMENTED();
 }
 
-void MojoDemuxerStreamAdapter::SetStreamStatusChangeCB(
-    const StreamStatusChangeCB& cb) {
-  NOTIMPLEMENTED();
-}
-
 // TODO(xhwang): Pass liveness here.
 void MojoDemuxerStreamAdapter::OnStreamReady(
     Type type,
     mojo::ScopedDataPipeConsumerHandle consumer_handle,
     mojom::AudioDecoderConfigPtr audio_config,
     mojom::VideoDecoderConfigPtr video_config) {
   DVLOG(1) << __func__;
   DCHECK_EQ(UNKNOWN, type_);
   DCHECK(consumer_handle.is_valid());
 
@@ skipping 56 matching lines @@
     case VIDEO:
       DCHECK(video_config && !audio_config);
       video_config_ = video_config.To<VideoDecoderConfig>();
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace media