BUG=angleproject:881

Change-Id: Ib05149facee9fcc7714cb957ca8647b3498a36b6
Reviewed-on: https://chromium-review.googlesource.com/269254Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>