Introduce Element::AttributeModificationParams

third_party/WebKit/Source/core/html/HTMLOutputElement.cpp

 /*
  * Copyright (c) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 46 matching lines @@
 }
 
 bool HTMLOutputElement::matchesEnabledPseudoClass() const {
   return false;
 }
 
 bool HTMLOutputElement::supportsFocus() const {
   return HTMLElement::supportsFocus();
 }
 
-void HTMLOutputElement::parseAttribute(const QualifiedName& name,
-                                       const AtomicString& oldValue,
-                                       const AtomicString& value) {
-  if (name == HTMLNames::forAttr)
-    setFor(value);
+void HTMLOutputElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  if (params.name == HTMLNames::forAttr)
+    setFor(params.newValue);
   else
-    HTMLFormControlElement::parseAttribute(name, oldValue, value);
+    HTMLFormControlElement::parseAttribute(params);
 }
 
 DOMTokenList* HTMLOutputElement::htmlFor() const {
   return m_tokens.get();
 }
 
 void HTMLOutputElement::setFor(const AtomicString& value) {
   m_tokens->setValue(value);
 }
 
@@ skipping 48 matching lines @@
   return HTMLElement::tabIndex();
 }
 
 DEFINE_TRACE(HTMLOutputElement) {
   visitor->trace(m_tokens);
   HTMLFormControlElement::trace(visitor);
   DOMTokenListObserver::trace(visitor);
 }
 
 }  // namespace blink