Bug: webrtc:8024 Change-Id: Ia7b9de70ef85e4ac32a7b84088b79cc6a260cc69 Reviewed-on: https://chromium-review.googlesource.com/586867 Reviewed-by: Felicia Lim <flim@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Minyue Li <minyue@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19164}