Add texture2DRect -> texture conversion for OpenGL core profile

BUG=534114

Change-Id: If0e1557a2399436b1b160407ced2d265f42df5f0
Reviewed-on: https://chromium-review.googlesource.com/303761
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tryjob-Request: Jamie Madill <jmadill@chromium.org>
Tested-by: ccameron chromium <ccameron@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
diff --git a/src/compiler/translator/OutputGLSL.cpp b/src/compiler/translator/OutputGLSL.cpp
index c1675ce..4314250 100644
--- a/src/compiler/translator/OutputGLSL.cpp
+++ b/src/compiler/translator/OutputGLSL.cpp
@@ -75,6 +75,7 @@
         "texture2DProj", "textureProj",
         "texture2DLod", "textureLod",
         "texture2DProjLod", "textureProjLod",
+        "texture2DRect", "texture",
         "textureCube", "texture",
         "textureCubeLod", "textureLod",
         // Extensions