BUG=angleproject:1569

Change-Id: I703f4739726c849950ba103049fa39498a4ff1df
Reviewed-on: https://chromium-review.googlesource.com/744361Reviewed-by: Frank Henigman <fjhenigman@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>