This was messing up the Linux build with some recent changes.

BUG=angle:773

Change-Id: I9ca201f08ddde0a36224872b2c78d1d666cf458d
Reviewed-on: https://chromium-review.googlesource.com/232792Reviewed-by: Brandon Jones <bajones@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>