BUG=angleproject:2200

Change-Id: Id60e857517cce9c0bfa272e4e6a399f236e395f7
Reviewed-on: https://chromium-review.googlesource.com/741548Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>