BUG=angleproject:1319

Change-Id: I88bcc6caa5d29565728848bada1563e47e383b29
Reviewed-on: https://chromium-review.googlesource.com/367753Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>