BUG=angleproject:1233

Change-Id: I92fddf331fe0687b290606fe222863bd0fcbc2da
Reviewed-on: https://chromium-review.googlesource.com/329804Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>