Generate better isFooElement() helper functions for HTML Elements

Source/core/html/HTMLElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef HTMLElement_h
 #define HTMLElement_h
 
-#include "HTMLElementTypeHelpers.h"
 #include "core/dom/Element.h"
 
 namespace WebCore {
 
 class DocumentFragment;
 class HTMLCollection;
 class HTMLFormElement;
 class ExceptionState;
 
 enum TranslateAttributeMode {
@@ skipping 84 matching lines @@
     TextDirection directionality(Node** strongDirectionalityTextNode= 0) const;
 
     TranslateAttributeMode translateAttributeMode() const;
 
     void handleKeypressEvent(KeyboardEvent*);
     bool supportsSpatialNavigationFocus() const;
 };
 
 DEFINE_ELEMENT_TYPE_CASTS(HTMLElement, isHTMLElement());
 
+template <typename T> bool isElementOfType(const HTMLElement&);
+template <> inline bool isElementOfType<HTMLElement>(const HTMLElement&) { return true; }
+
 inline HTMLElement::HTMLElement(const QualifiedName& tagName, Document& document, ConstructionType type = CreateHTMLElement)
     : Element(tagName, &document, type)
 {
     ASSERT(!tagName.localName().isNull());
     ScriptWrappable::init(this);
 }
 
 } // namespace WebCore
 
+#include "HTMLElementTypeHelpers.h"
+
 #endif // HTMLElement_h