Build breaks in GPU FYI bots.

BUG=angleproject:987

This reverts commit 40088793.

Change-Id: Ia88ad302c403c65516c050eb7741316b5097bcfb
Reviewed-on: https://chromium-review.googlesource.com/269847Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>