[oilpan] The Node hierarchy should have correct accept method chains

Source/core/html/HTMLScriptElement.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) 2003, 2004, 2005, 2006, 2007, 2008 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 158 matching lines @@
     setHaveFiredLoadEvent(true);
 
     dispatchEvent(Event::create(eventNames().loadEvent, false, false));
 }
 
 PassRefPtr<Element> HTMLScriptElement::cloneElementWithoutAttributesAndChildren()
 {
     return adoptRef(new HTMLScriptElement(tagQName(), document(), false, alreadyStarted()));
 }
 
+// FIXME(oilpan): There is multiple inheritance going on here. This is a ScriptElement as

[Mads Ager (chromium), 2013/07/25 13:35:12]

Yup, thanks for adding the comment here. :)

+// well as an HTMLElement. The ScriptElement has a Element member that we should deal with
+// as well. We need to treat ScriptElement in the same way that we did for TreeScope.
 void HTMLScriptElement::acceptHeapVisitor(Visitor* visitor) const
 {
     HTMLElement::acceptHeapVisitor(visitor);
 }
 
 }