Auto-compare GrProcessors' texture accesses in isEqual().

src/gpu/effects/GrYUVtoRGBEffect.cpp

Index: src/gpu/effects/GrYUVtoRGBEffect.cpp
diff --git a/src/gpu/effects/GrYUVtoRGBEffect.cpp b/src/gpu/effects/GrYUVtoRGBEffect.cpp
index f280d1bdd4324a46c330a37088071fbb25677ae6..cbabd947e60da6e1be1d1a2e64fcb68e68ae1717 100644
--- a/src/gpu/effects/GrYUVtoRGBEffect.cpp
+++ b/src/gpu/effects/GrYUVtoRGBEffect.cpp
@@ -104,10 +104,7 @@ private:
 
     virtual bool onIsEqual(const GrFragmentProcessor& sBase) const {
         const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>();
-        return fYAccess.getTexture() == s.fYAccess.getTexture() &&
-               fUAccess.getTexture() == s.fUAccess.getTexture() &&
-               fVAccess.getTexture() == s.fVAccess.getTexture() &&
-               fColorSpace == s.getColorSpace();
+        return fColorSpace == s.getColorSpace();
     }
 
     virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE {