BUG=angleproject:2065

Change-Id: I7783d4866a2e16e0cee79aecccb6d5ee1b74165d
Reviewed-on: https://chromium-review.googlesource.com/533724Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>