Added tree structure to GrGLFragmentProcessor, i.e. GL instances

src/gpu/effects/GrYUVtoRGBEffect.cpp

Index: src/gpu/effects/GrYUVtoRGBEffect.cpp
diff --git a/src/gpu/effects/GrYUVtoRGBEffect.cpp b/src/gpu/effects/GrYUVtoRGBEffect.cpp
index 7d77c1f3b41c6682e66c4f24297c79ebcb5949dc..913c37e39b77e84cfdb79cd6189418fe034731d3 100644
--- a/src/gpu/effects/GrYUVtoRGBEffect.cpp
+++ b/src/gpu/effects/GrYUVtoRGBEffect.cpp
@@ -80,7 +80,8 @@ public:
             fsBuilder->codeAppendf(".r,\n\t\t1.0) * %s;\n", yuvMatrix);
         }
 
-        virtual void setData(const GrGLProgramDataManager& pdman,
+    protected:
+        virtual void onSetData(const GrGLProgramDataManager& pdman,
                              const GrProcessor& processor) override {
             const YUVtoRGBEffect& yuvEffect = processor.cast<YUVtoRGBEffect>();
             switch (yuvEffect.getColorSpace()) {
@@ -102,10 +103,6 @@ public:
         typedef GrGLFragmentProcessor INHERITED;
     };
 
-    GrGLFragmentProcessor* createGLInstance() const override {
-        return SkNEW_ARGS(GLProcessor, (*this));
-    }
-
 private:
     YUVtoRGBEffect(GrProcessorDataManager*, GrTexture* yTexture, GrTexture* uTexture,
                    GrTexture* vTexture, const SkMatrix yuvMatrix[3],
@@ -126,6 +123,10 @@ private:
         this->addTextureAccess(&fVAccess);
     }
 
+    GrGLFragmentProcessor* onCreateGLInstance() const override {
+        return SkNEW_ARGS(GLProcessor, (*this));
+    }
+
     virtual void onGetGLProcessorKey(const GrGLSLCaps& caps,
                                      GrProcessorKeyBuilder* b) const override {
         GLProcessor::GenKey(*this, caps, b);