Tests are all green on my local Nvidia configuration.

BUG=510822
BUG=angleproject:1071

Change-Id: I56d30089d574e795cfbd012ce7430896856d32ee
Reviewed-on: https://chromium-review.googlesource.com/287517Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>