BUG=angleproject:884

Change-Id: Ie6e809477253502d88f599172eaed17638e58dd3
Reviewed-on: https://chromium-review.googlesource.com/262112Reviewed-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>