BUG=angleproject:892

Change-Id: If6f0eb13bca10f9328faeaab35665a67e7ef6e44
Reviewed-on: https://chromium-review.googlesource.com/269122Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>