BUG=angleproject:891

Change-Id: Id61e61a2efff019e92316adbe34fc2378302aff5
Reviewed-on: https://chromium-review.googlesource.com/294600Tested-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>