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

src/gpu/effects/GrSingleTextureEffect.h

Index: src/gpu/effects/GrSingleTextureEffect.h
diff --git a/src/gpu/effects/GrSingleTextureEffect.h b/src/gpu/effects/GrSingleTextureEffect.h
index c16c088a1824b020e15656f01792aaf16025cc9d..836c54c234b8181a61dab097c9dff18fd1a3f473 100644
--- a/src/gpu/effects/GrSingleTextureEffect.h
+++ b/src/gpu/effects/GrSingleTextureEffect.h
@@ -34,14 +34,6 @@ protected:
                           GrCoordSet = kLocal_GrCoordSet);
 
     /**
-     * Helper for subclass onIsEqual() functions.
-     */
-    bool hasSameTextureParamsMatrixAndSourceCoords(const GrSingleTextureEffect& other) const {
-        // We don't have to check the accesses' swizzles because they are inferred from the texture.
-        return fTextureAccess == other.fTextureAccess;
-    }
-
-    /**
      * Can be used as a helper to implement subclass onComputeInvariantOutput(). It assumes that
      * the subclass output color will be a modulation of the input color with a value read from the
      * texture.