Added registerChild; transforms, textures, glKey automatically handled.

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 3bfc2164743051979b328028cf35318315b13ea8..7d77c1f3b41c6682e66c4f24297c79ebcb5949dc 100644
--- a/src/gpu/effects/GrYUVtoRGBEffect.cpp
+++ b/src/gpu/effects/GrYUVtoRGBEffect.cpp
@@ -102,11 +102,6 @@ public:
         typedef GrGLFragmentProcessor INHERITED;
     };
 
-    virtual void getGLProcessorKey(const GrGLSLCaps& caps,
-                                   GrProcessorKeyBuilder* b) const override {
-        GLProcessor::GenKey(*this, caps, b);
-    }
-
     GrGLFragmentProcessor* createGLInstance() const override {
         return SkNEW_ARGS(GLProcessor, (*this));
     }
@@ -131,6 +126,11 @@ private:
         this->addTextureAccess(&fVAccess);
     }
 
+    virtual void onGetGLProcessorKey(const GrGLSLCaps& caps,
+                                     GrProcessorKeyBuilder* b) const override {
+        GLProcessor::GenKey(*this, caps, b);
+    }
+
     bool onIsEqual(const GrFragmentProcessor& sBase) const override {
         const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>();
         return fColorSpace == s.getColorSpace();