Added registerChild; transforms, textures, glKey automatically handled.

src/effects/SkColorFilters.cpp

Index: src/effects/SkColorFilters.cpp
diff --git a/src/effects/SkColorFilters.cpp b/src/effects/SkColorFilters.cpp
index 13ef7c6dfd9e5c5a79e179c85afe4e1250ea659a..bda3d9ad880f283e4b3ae89be78d6e08bb470da6 100644
--- a/src/effects/SkColorFilters.cpp
+++ b/src/effects/SkColorFilters.cpp
@@ -147,11 +147,6 @@ public:
         return true;
     }
 
-    virtual void getGLProcessorKey(const GrGLSLCaps& caps,
-                                   GrProcessorKeyBuilder* b) const override {
-        GLProcessor::GenKey(*this, caps, b);
-    }
-
     GrGLFragmentProcessor* createGLInstance() const override {
         return SkNEW_ARGS(GLProcessor, (*this));
     }
@@ -220,6 +215,11 @@ private:
         this->initClassID<ModeColorFilterEffect>();
     }
 
+    virtual void onGetGLProcessorKey(const GrGLSLCaps& caps,
+                                     GrProcessorKeyBuilder* b) const override {
+        GLProcessor::GenKey(*this, caps, b);
+    }
+
     bool onIsEqual(const GrFragmentProcessor& other) const override {
         const ModeColorFilterEffect& s = other.cast<ModeColorFilterEffect>();
         return fMode == s.fMode && fColor == s.fColor;