This prevents encoding of video frames
Created attachment 311249 [details] Patch
This broke https://webrtc.github.io/samples/src/content/capture/canvas-pc/
Not exactly sure why bots have not spotted the issue
<rdar://problem/32406215>
Comment on attachment 311249 [details] Patch Clearing flags on attachment: 311249 Committed r217444: <http://trac.webkit.org/changeset/217444>
All reviewed patches have been landed. Closing bug.