Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrTextureDomain.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTextureDomainEffect_DEFINED
 #define GrTextureDomainEffect_DEFINED
 
@@ skipping 141 matching lines @@
                                        GrTextureParams::FilterMode filterMode,
                                        GrCoordSet = kLocal_GrCoordSet);
 
     virtual ~GrTextureDomainEffect();
 
     static const char* Name() { return "TextureDomain"; }
 
     typedef GrGLTextureDomainEffect GLProcessor;
 
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
 
     const GrTextureDomain& textureDomain() const { return fTextureDomain; }
 
 protected:
     GrTextureDomain fTextureDomain;
 
 private:
     GrTextureDomainEffect(GrTexture*,
                           const SkMatrix&,
                           const SkRect& domain,
                           GrTextureDomain::Mode,
                           GrTextureParams::FilterMode,
                           GrCoordSet);
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
 
+    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE;
+
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrSingleTextureEffect INHERITED;
 };
 
 #endif