Push isEqual/onIsEqual down from GrProcessor to subclasses.

src/gpu/effects/GrDistanceFieldTextureEffect.cpp

Index: src/gpu/effects/GrDistanceFieldTextureEffect.cpp
diff --git a/src/gpu/effects/GrDistanceFieldTextureEffect.cpp b/src/gpu/effects/GrDistanceFieldTextureEffect.cpp
index 3374adcdd1bf594c24027b10cde727393432c5ea..406f1b022d0d23c68ef1104c9d7285c49e98ed55 100755
--- a/src/gpu/effects/GrDistanceFieldTextureEffect.cpp
+++ b/src/gpu/effects/GrDistanceFieldTextureEffect.cpp
@@ -196,7 +196,7 @@ GrDistanceFieldTextureEffect::GrDistanceFieldTextureEffect(GrTexture* texture,
 #endif
 }
 
-bool GrDistanceFieldTextureEffect::onIsEqual(const GrProcessor& other) const {
+bool GrDistanceFieldTextureEffect::onIsEqual(const GrGeometryProcessor& other) const {
     const GrDistanceFieldTextureEffect& cte = other.cast<GrDistanceFieldTextureEffect>();
     return fTextureAccess == cte.fTextureAccess &&
 #ifdef SK_GAMMA_APPLY_TO_A8
@@ -379,7 +379,7 @@ GrDistanceFieldNoGammaTextureEffect::GrDistanceFieldNoGammaTextureEffect(GrTextu
     this->addTextureAccess(&fTextureAccess);
 }
 
-bool GrDistanceFieldNoGammaTextureEffect::onIsEqual(const GrProcessor& other) const {
+bool GrDistanceFieldNoGammaTextureEffect::onIsEqual(const GrGeometryProcessor& other) const {
     const GrDistanceFieldNoGammaTextureEffect& cte = 
                                                  other.cast<GrDistanceFieldNoGammaTextureEffect>();
     return fTextureAccess == cte.fTextureAccess && fFlags == cte.fFlags;
@@ -628,7 +628,7 @@ GrDistanceFieldLCDTextureEffect::GrDistanceFieldLCDTextureEffect(
     this->addTextureAccess(&fGammaTextureAccess);
 }
 
-bool GrDistanceFieldLCDTextureEffect::onIsEqual(const GrProcessor& other) const {
+bool GrDistanceFieldLCDTextureEffect::onIsEqual(const GrGeometryProcessor& other) const {
     const GrDistanceFieldLCDTextureEffect& cte = other.cast<GrDistanceFieldLCDTextureEffect>();
     return (fTextureAccess == cte.fTextureAccess &&
             fGammaTextureAccess == cte.fGammaTextureAccess &&