Bug: webrtc:7903 Change-Id: Ib5d6fd882a994dd542b616e5fe1c75710346dd31 Reviewed-on: https://chromium-review.googlesource.com/575057 Commit-Queue: Minyue Li <minyue@webrtc.org> Reviewed-by: Oskar Sundbom <ossu@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19101}