Push isEqual/onIsEqual down from GrProcessor to subclasses.

src/gpu/GrProcessor.cpp

Index: src/gpu/GrProcessor.cpp
diff --git a/src/gpu/GrProcessor.cpp b/src/gpu/GrProcessor.cpp
index 1732e3a27a4f6239658d1c08f1e8ba23406882e3..bf65cb0fb98ff66828d5c51c084ad96093487dc1 100644
--- a/src/gpu/GrProcessor.cpp
+++ b/src/gpu/GrProcessor.cpp
@@ -117,7 +117,7 @@ void GrProcessor::operator delete(void* target) {
 }
 
 #ifdef SK_DEBUG
-void GrProcessor::assertEquality(const GrProcessor& other) const {
+void GrProcessor::assertTexturesEqual(const GrProcessor& other) const {
     SkASSERT(this->numTextures() == other.numTextures());
     for (int i = 0; i < this->numTextures(); ++i) {
         SkASSERT(this->textureAccess(i) == other.textureAccess(i));