Wip - cl for implemening VideoTrackSource::ApplyConstraints(constraints, VideoTrack) and adopt safe…

content/renderer/media/media_stream_center.cc

Index: content/renderer/media/media_stream_center.cc
diff --git a/content/renderer/media/media_stream_center.cc b/content/renderer/media/media_stream_center.cc
index 2f5e1a406358bc3b31bfdac4dacfe8b5dc44e1d3..274876e82a321858cb2002aafdc4c3d6cc330f3f 100644
--- a/content/renderer/media/media_stream_center.cc
+++ b/content/renderer/media/media_stream_center.cc
@@ -70,19 +70,8 @@ void CreateNativeVideoMediaStreamTrack(
   DCHECK_EQ(source.getType(), blink::WebMediaStreamSource::TypeVideo);
   MediaStreamVideoSource* native_source =
       MediaStreamVideoSource::GetVideoSource(source);
+  native_source->ConnectToTrack(track);
   DCHECK(native_source);
-  blink::WebMediaStreamTrack writable_track(track);
-  // TODO(perkj): The constraints to use here should be passed from blink when
-  // a new track is created. For cloning, it should be the constraints of the
-  // cloned track and not the originating source.
-  // Also - source.constraints() returns an uninitialized constraint if the
-  // source is coming from a remote video track. See http://crbug/287805.
-  blink::WebMediaConstraints constraints = source.constraints();
-  if (constraints.isNull())
-    constraints.initialize();
-  writable_track.setTrackData(new MediaStreamVideoTrack(
-      native_source, constraints, MediaStreamVideoSource::ConstraintsCallback(),
-      track.isEnabled()));
 }
 
 }  // namespace