BUG=angleproject:884

Change-Id: Iba0108b22e6a404842ec1013d22c00d206c865d3
Reviewed-on: https://chromium-review.googlesource.com/255512Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>