Added registerChild; transforms, textures, glKey automatically handled.

src/gpu/effects/GrTextureDomain.h

Index: src/gpu/effects/GrTextureDomain.h
diff --git a/src/gpu/effects/GrTextureDomain.h b/src/gpu/effects/GrTextureDomain.h
index 77c6ce3d3aef3a1f0597a94b49fe246ea657fff8..7cf75d6c2545eeacadb2e8002e6f34bd3c63b675 100644
--- a/src/gpu/effects/GrTextureDomain.h
+++ b/src/gpu/effects/GrTextureDomain.h
@@ -169,8 +169,6 @@ public:
 
     const char* name() const override { return "TextureDomain"; }
 
-    void getGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override;
-
     GrGLFragmentProcessor* createGLInstance() const override;
 
     const GrTextureDomain& textureDomain() const { return fTextureDomain; }
@@ -187,6 +185,8 @@ private:
                           GrTextureParams::FilterMode,
                           GrCoordSet);
 
+    void onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override;
+
     bool onIsEqual(const GrFragmentProcessor&) const override;
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override;