TBR= Bug: webrtc:7494 Change-Id: I2d4432d5b135e70b9abb5f2794a28228ec6808ba Reviewed-on: https://webrtc-review.googlesource.com/13621 Reviewed-by: Alessio Bazzica <alessiob@webrtc.org> Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20346}