BUG=angle:618

Change-Id: I516ad4a5639b021fb467aa7c7889a5f9f9bf4b33
Reviewed-on: https://chromium-review.googlesource.com/199342Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>