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

src/gpu/effects/GrConstColorProcessor.cpp

Index: src/gpu/effects/GrConstColorProcessor.cpp
diff --git a/src/gpu/effects/GrConstColorProcessor.cpp b/src/gpu/effects/GrConstColorProcessor.cpp
index a909104b5a8f6cbb2c40deac2fe18ffb619c62a2..88bd82be409224021cccac78980882c5cb2bac93 100644
--- a/src/gpu/effects/GrConstColorProcessor.cpp
+++ b/src/gpu/effects/GrConstColorProcessor.cpp
@@ -34,7 +34,8 @@ public:
         }
     }
 
-    void setData(const GrGLProgramDataManager& pdm, const GrProcessor& processor) override {
+protected:
+    void onSetData(const GrGLProgramDataManager& pdm, const GrProcessor& processor) override {
         GrColor color = processor.cast<GrConstColorProcessor>().color();
         // We use the "illegal" color value as an uninit sentinel. However, ut isn't inherently
         // illegal to use this processor with unpremul colors. So we correctly handle the case
@@ -89,7 +90,7 @@ void GrConstColorProcessor::onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKe
     b->add32(fMode);
 }
 
-GrGLFragmentProcessor* GrConstColorProcessor::createGLInstance() const  {
+GrGLFragmentProcessor* GrConstColorProcessor::onCreateGLInstance() const  {
     return SkNEW(GLConstColorProcessor);
 }