Push isEqual/onIsEqual down from GrProcessor to subclasses.

src/effects/SkPerlinNoiseShader.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDither.h"
 #include "SkPerlinNoiseShader.h"
 #include "SkColorFilter.h"
@@ skipping 555 matching lines @@
     SkPerlinNoiseShader::Type type() const { return fType; }
     bool stitchTiles() const { return fStitchTiles; }
     const SkVector& baseFrequency() const { return fPaintingData->fBaseFrequency; }
     int numOctaves() const { return fNumOctaves; }
     const SkMatrix& matrix() const { return fCoordTransform.getMatrix(); }
     uint8_t alpha() const { return fAlpha; }
 
     typedef GrGLPerlinNoise GLProcessor;
 
 private:
-    virtual bool onIsEqual(const GrProcessor& sBase) const SK_OVERRIDE {
+    virtual bool onIsEqual(const GrFragmentProcessor& sBase) const SK_OVERRIDE {
         const GrPerlinNoiseEffect& s = sBase.cast<GrPerlinNoiseEffect>();
         return fType == s.fType &&
                fPaintingData->fBaseFrequency == s.fPaintingData->fBaseFrequency &&
                fNumOctaves == s.fNumOctaves &&
                fStitchTiles == s.fStitchTiles &&
                fCoordTransform.getMatrix() == s.fCoordTransform.getMatrix() &&
                fAlpha == s.fAlpha &&
                fPermutationsAccess.getTexture() == s.fPermutationsAccess.getTexture() &&
                fNoiseAccess.getTexture() == s.fNoiseAccess.getTexture() &&
                fPaintingData->fStitchDataInit == s.fPaintingData->fStitchDataInit;
@@ skipping 466 matching lines @@
     str->append(" seed: ");
     str->appendScalar(fSeed);
     str->append(" stitch tiles: ");
     str->append(fStitchTiles ? "true " : "false ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif