Intorudce DECLARE/DEFINE_ELEMENT_FACTORY_WITH_TAGNAME macros.

Source/core/html/HTMLPreElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * 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.
  *
@@ skipping 21 matching lines @@
 namespace WebCore {
 
 using namespace HTMLNames;
 
 inline HTMLPreElement::HTMLPreElement(const QualifiedName& tagName, Document& document)
     : HTMLElement(tagName, document)
 {
     ScriptWrappable::init(this);
 }
 
-PassRefPtrWillBeRawPtr<HTMLPreElement> HTMLPreElement::create(const QualifiedName& tagName, Document& document)
-{
-    return adoptRefWillBeRefCountedGarbageCollected(new HTMLPreElement(tagName, document));
-}
+DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(HTMLPreElement)
 
 bool HTMLPreElement::isPresentationAttribute(const QualifiedName& name) const
 {
     if (name == wrapAttr)
         return true;
     return HTMLElement::isPresentationAttribute(name);
 }
 
 void HTMLPreElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
 {
     if (name == wrapAttr) {
         UseCounter::count(document(), UseCounter::HTMLPreElementWrap);
         style->setProperty(CSSPropertyWhiteSpace, CSSValuePreWrap);
     } else {
         HTMLElement::collectStyleForPresentationAttribute(name, value, style);
     }
 }
 
 }