Seems to be failing angle_end2end_tests:

GLSLTest.GlobalStaticAndVarying_0
GLSLTest.GlobalStaticAndVarying_1
GLSLTest_ES3.GlobalStaticAndInstanceID_0

http://build.chromium.org/p/chromium.gpu.fyi/builders/Win7%20Release%20%28NVIDIA%29/builds/15598

BUG=angleproject:988

This reverts commit 6caa5e81.

Change-Id: I394b571c9b4ee739721018c5287a45df49e1471c
Reviewed-on: https://chromium-review.googlesource.com/270589Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>