Revert of Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrConfigConversionEffect.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 GrConfigConversionEffect_DEFINED
 #define GrConfigConversionEffect_DEFINED
 
@@ skipping 25 matching lines @@
 
     // Installs an effect in the GrProcessorStage to perform a config conversion.
     static const GrFragmentProcessor* Create(GrTexture*, bool swapRedAndBlue, PMConversion,
                                              const SkMatrix&);
 
     static const char* Name() { return "Config Conversion"; }
     typedef GrGLConfigConversionEffect GLProcessor;
 
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
+    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
+
     bool swapsRedAndBlue() const { return fSwapRedAndBlue; }
     PMConversion  pmConversion() const { return fPMConversion; }
 
     // This function determines whether it is possible to choose PM->UPM and UPM->PM conversions
     // for which in any PM->UPM->PM->UPM sequence the two UPM values are the same. This means that
     // if pixels are read back to a UPM buffer, written back to PM to the GPU, and read back again
     // both reads will produce the same result. This test is quite expensive and should not be run
     // multiple times for a given context.
     static void TestForPreservingPMConversions(GrContext* context,
                                                PMConversion* PMToUPMRule,
                                                PMConversion* UPMToPMRule);
 
 private:
     GrConfigConversionEffect(GrTexture*,
                             bool swapRedAndBlue,
                             PMConversion pmConversion,
                             const SkMatrix& matrix);
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
 
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE;
-
     bool            fSwapRedAndBlue;
     PMConversion    fPMConversion;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrSingleTextureEffect INHERITED;
 };
 
 #endif