BUG=angleproject:891

Change-Id: Icb0dc3449db6982979a93a394fb9e0c58413a256
Reviewed-on: https://chromium-review.googlesource.com/285836Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>