Bug: webrtc:8779 Change-Id: I0416cd6dff60b840734fb4e236a48ddcd84ef817 Reviewed-on: https://webrtc-review.googlesource.com/40981 Commit-Queue: Qingsi Wang <qingsi@google.com> Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21702}