Introduce Element::AttributeModificationParams

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 67 matching lines @@
     const QualifiedName& name) const {
   if (name == alignAttr) {
     // Don't map 'align' attribute.  This matches what Firefox and IE do, but
     // not Opera.  See http://bugs.webkit.org/show_bug.cgi?id=12071
     return false;
   }
 
   return HTMLFormControlElement::isPresentationAttribute(name);
 }
 
-void HTMLButtonElement::parseAttribute(const QualifiedName& name,
-                                       const AtomicString& oldValue,
-                                       const AtomicString& value) {
-  if (name == typeAttr) {
-    if (equalIgnoringCase(value, "reset"))
+void HTMLButtonElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  if (params.name == typeAttr) {
+    if (equalIgnoringCase(params.newValue, "reset"))
       m_type = RESET;
-    else if (equalIgnoringCase(value, "button"))
+    else if (equalIgnoringCase(params.newValue, "button"))
       m_type = BUTTON;
     else
       m_type = SUBMIT;
     setNeedsWillValidateCheck();
     if (formOwner() && isConnected())
       formOwner()->invalidateDefaultButtonStyle();
   } else {
-    if (name == formactionAttr)
-      logUpdateAttributeIfIsolatedWorldAndInDocument("button", formactionAttr,
-                                                     oldValue, value);
-    HTMLFormControlElement::parseAttribute(name, oldValue, value);
+    if (params.name == formactionAttr)
+      logUpdateAttributeIfIsolatedWorldAndInDocument("button", params);
+    HTMLFormControlElement::parseAttribute(params);
   }
 }
 
 void HTMLButtonElement::defaultEventHandler(Event* event) {
   if (event->type() == EventTypeNames::DOMActivate &&
       !isDisabledFormControl()) {
     if (form() && m_type == SUBMIT) {
       form()->prepareForSubmission(event, this);
       event->setDefaultHandled();
     }
@@ skipping 96 matching lines @@
 Node::InsertionNotificationRequest HTMLButtonElement::insertedInto(
     ContainerNode* insertionPoint) {
   InsertionNotificationRequest request =
       HTMLFormControlElement::insertedInto(insertionPoint);
   logAddElementIfIsolatedWorldAndInDocument("button", typeAttr, formmethodAttr,
                                             formactionAttr);
   return request;
 }
 
 }  // namespace blink