BUG=390412

This reverts commit 9efa581d.

Conflicts:
	src/libGLESv2/validationES.cpp

Change-Id: I78457e1dfec8b75fecef8dc40c549adbde680a2a
Reviewed-on: https://chromium-review.googlesource.com/206340Reviewed-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Tested-by: Shannon Woods <shannonwoods@chromium.org>