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

include/gpu/GrFragmentProcessor.h

Index: include/gpu/GrFragmentProcessor.h
diff --git a/include/gpu/GrFragmentProcessor.h b/include/gpu/GrFragmentProcessor.h
index 464230717645c9415cde2a52ab6c0bc479eb8372..044e807aae985547481920ef76d2018fc406df1e 100644
--- a/include/gpu/GrFragmentProcessor.h
+++ b/include/gpu/GrFragmentProcessor.h
@@ -45,17 +45,13 @@ public:
         A return value of true from isEqual() should not be used to test whether the prceossor would
         generate the same shader code. To test for identical code generation use the prceossor' keys
         computed by the GrBackendProcessorFactory. */
-    bool isEqual(const GrFragmentProcessor& other) const {
-        if (&this->getFactory() != &other.getFactory() || !this->hasSameTransforms(other)) {
+    bool isEqual(const GrFragmentProcessor& that) const {
+        if (&this->getFactory() != &that.getFactory() ||
+            !this->hasSameTransforms(that) ||
+            !this->hasSameTextureAccesses(that)) {
             return false;
         }
-        bool result = this->onIsEqual(other);
-#ifdef SK_DEBUG
-        if (result) {
-            this->assertTexturesEqual(other);
-        }
-#endif
-        return result;
+        return this->onIsEqual(that);
     }
 
 protected: