BUG=angleproject:2200

Change-Id: I13d661b690a6a9e67b3e8a27f9d7bd4126dca87f
Reviewed-on: https://chromium-review.googlesource.com/742749
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>