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

content/public/renderer/media_stream_utils.cc

Index: content/public/renderer/media_stream_utils.cc
diff --git a/content/public/renderer/media_stream_utils.cc b/content/public/renderer/media_stream_utils.cc
index d05b08f5c86fe5281f613565d16aac927f6e71ae..0cf38569e97abf12aa03d9c03af5e551ebb0ccec 100644
--- a/content/public/renderer/media_stream_utils.cc
+++ b/content/public/renderer/media_stream_utils.cc
@@ -45,12 +45,8 @@ bool AddVideoTrackToMediaStream(
                                      track_id, is_remote);
   // Takes ownership of |media_stream_source|.
   web_media_stream_source.setExtraData(media_stream_source);
-
-  blink::WebMediaConstraints constraints;
-  constraints.initialize();
   web_media_stream->addTrack(MediaStreamVideoTrack::CreateVideoTrack(
-      media_stream_source, constraints,
-      MediaStreamVideoSource::ConstraintsCallback(), true));
+      media_stream_source));
   return true;
 }