Add bit to GrGLCaps for fixed function support

src/gpu/gl/GrGLCaps.h

Index: src/gpu/gl/GrGLCaps.h
diff --git a/src/gpu/gl/GrGLCaps.h b/src/gpu/gl/GrGLCaps.h
index 79251b2645334785b1d8d7393c52cdc4f7c25f25..a4d567351e635166b8668dd9d251656f6530c025 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -282,6 +282,8 @@ public:
 
     bool isCoreProfile() const { return fIsCoreProfile; }
 
+    bool fixedFunctionSupport() const { return fFixedFunctionSupport; }
+
     /// Is there support for discarding the frame buffer
     bool discardFBSupport() const { return fDiscardFBSupport; }
 
@@ -364,6 +366,7 @@ private:
     bool fVertexArrayObjectSupport : 1;
     bool fUseNonVBOVertexAndIndexDynamicData : 1;
     bool fIsCoreProfile : 1;
+    bool fFixedFunctionSupport : 1;
     bool fDiscardFBSupport : 1;
 
     typedef GrDrawTargetCaps INHERITED;