Add bit to GrGLCaps for fixed function support

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://chromiumcodereview.appspot.com/23587014

git-svn-id: http://skia.googlecode.com/svn/trunk@11043 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGpuGL.cpp b/src/gpu/gl/GrGpuGL.cpp
index 94a1306..28e41af 100644
--- a/src/gpu/gl/GrGpuGL.cpp
+++ b/src/gpu/gl/GrGpuGL.cpp
@@ -364,9 +364,7 @@
         fHWBoundRenderTarget = NULL;
     }
 
-    if (resetBits & kFixedFunction_GrGLBackendState &&
-        kDesktop_GrGLBinding == this->glBinding() &&
-        !this->glCaps().isCoreProfile()) {
+    if (resetBits & kFixedFunction_GrGLBackendState && this->glCaps().fixedFunctionSupport()) {
 
         fHWProjectionMatrixState.invalidate();
         // we don't use the model view matrix.