BUG=angleproject:892

Change-Id: Id4a9ddc35ae9600080e743c77476d36743a3e646
Reviewed-on: https://chromium-review.googlesource.com/270199Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/270412