WebRtcMediaStreamTrackAdapter, maps 1 webrtc and 1 blink track

content/renderer/media/webrtc/webrtc_media_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 "content/renderer/media/webrtc/webrtc_media_stream_adapter.h"
 
 #include "base/logging.h"
 #include "content/renderer/media/media_stream_audio_track.h"
 #include "content/renderer/media/media_stream_track.h"
 #include "content/renderer/media/webrtc/media_stream_video_webrtc_sink.h"
@@ skipping 83 matching lines @@
 
     for (auto it = video_sinks_.begin(); it != video_sinks_.end(); ++it) {
       if ((*it)->webrtc_video_track() == webrtc_track.get()) {
         video_sinks_.erase(it);
         break;
       }
     }
   }
 }
 
+// TODO(hbos): Replace this code with using |WebRtcMediaStreamTrackAdapter|.

[Guido Urdaneta, 2017/05/30 08:45:35]

nit: s/using// ?

[hbos_chromium, 2017/05/30 09:20:09]

Done.

+// crbug.com/705901
 void WebRtcMediaStreamAdapter::AddAudioSinkToTrack(
     const blink::WebMediaStreamTrack& track) {
   MediaStreamAudioTrack* native_track = MediaStreamAudioTrack::From(track);
   if (!native_track) {
     DLOG(ERROR) << "No native track for blink audio track.";
     return;
   }
 
   // Non-WebRtc remote sources and local sources do not provide an instance of
   // the webrtc::AudioSourceInterface, and also do not need references to the
@@ skipping 13 matching lines @@
       if (processor && processor->has_audio_processing())
         audio_sink->SetAudioProcessor(processor);
     }
   }
 
   audio_sinks_.push_back(std::unique_ptr<WebRtcAudioSink>(audio_sink));
   native_track->AddSink(audio_sink);
   webrtc_media_stream_->AddTrack(audio_sink->webrtc_audio_track());
 }
 
+// TODO(hbos): Replace this code with using |WebRtcMediaStreamTrackAdapter|.
+// crbug.com/705901
 void WebRtcMediaStreamAdapter::AddVideoSinkToTrack(
     const blink::WebMediaStreamTrack& track) {
   DCHECK_EQ(track.Source().GetType(), blink::WebMediaStreamSource::kTypeVideo);
   MediaStreamVideoWebRtcSink* video_sink =
       new MediaStreamVideoWebRtcSink(track, factory_);
   video_sinks_.push_back(
       std::unique_ptr<MediaStreamVideoWebRtcSink>(video_sink));
   webrtc_media_stream_->AddTrack(video_sink->webrtc_video_track());
 }
 
 }  // namespace content