BUG=angleproject:892

Change-Id: Idf5496de7006f8fd0658e9d40a4f16dba00d90ea
Reviewed-on: https://chromium-review.googlesource.com/271473Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>