Introduce Element::AttributeModificationParams

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

 /*
  * Copyright (C) 2010, 2011 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 100 matching lines @@
           Traversal<HTMLSummaryElement>::firstChild(*this))
     return summary;
 
   HTMLContentElement* content =
       toHTMLContentElementOrDie(userAgentShadowRoot()->firstChild());
   DCHECK(content->firstChild());
   CHECK(isHTMLSummaryElement(*content->firstChild()));
   return toElement(content->firstChild());
 }
 
-void HTMLDetailsElement::parseAttribute(const QualifiedName& name,
-                                        const AtomicString& oldValue,
-                                        const AtomicString& value) {
-  if (name == openAttr) {
+void HTMLDetailsElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  if (params.name == openAttr) {
     bool oldValue = m_isOpen;
-    m_isOpen = !value.isNull();
+    m_isOpen = !params.newValue.isNull();
     if (m_isOpen == oldValue)
       return;
 
     // Dispatch toggle event asynchronously.
     m_pendingEvent =
         TaskRunnerHelper::get(TaskType::DOMManipulation, &document())
             ->postCancellableTask(
                 BLINK_FROM_HERE,
                 WTF::bind(&HTMLDetailsElement::dispatchPendingEvent,
                           wrapPersistent(this)));
@@ skipping 10 matching lines @@
     // if the details element is open or closed.
     Element* summary = findMainSummary();
     DCHECK(summary);
 
     Element* control = toHTMLSummaryElement(summary)->markerControl();
     if (control && control->layoutObject())
       control->layoutObject()->setShouldDoFullPaintInvalidation();
 
     return;
   }
-  HTMLElement::parseAttribute(name, oldValue, value);
+  HTMLElement::parseAttribute(params);
 }
 
 void HTMLDetailsElement::toggleOpen() {
   setAttribute(openAttr, m_isOpen ? nullAtom : emptyAtom);
 }
 
 bool HTMLDetailsElement::isInteractiveContent() const {
   return true;
 }
 
 }  // namespace blink