ANGLEBUG=554
TEST=webgl conformance test on mac: shaders-with-varyings.html
r=kbr@chromium.org,nicolascapens@chromium.org
cc=alokp@chromium.org,shannonwoods@chromium.org

Change-Id: I2e692d43fb15f1cf3ade3e398020d1fedb2b32f0
Reviewed-on: https://chromium-review.googlesource.com/185922Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Zhenyao Mo <zmo@chromium.org>

Conflicts:
	src/common/version.h
	src/compiler/translator/Compiler.cpp
Change-Id: If7db13ef345bd6199d4ea0d7786f0de20885f2f3
Reviewed-on: https://chromium-review.googlesource.com/186144Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Zhenyao Mo <zmo@chromium.org>