BUG=angleproject:892

Change-Id: I3fe43c7a84d1eb2b875309495fe27a0bfd6c3e82
Reviewed-on: https://chromium-review.googlesource.com/272552Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>