BUG=angleproject:1523

Change-Id: If3ab8fa9d7e80f7abb2f4ac864a936e93dfd902c
Reviewed-on: https://chromium-review.googlesource.com/422963Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>