[oilpan] Handlify childrenChanged.

Source/core/html/HTMLObjectElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 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
@@ skipping 327 matching lines @@
     FormAssociatedElement::insertedInto(insertionPoint);
     return InsertionDone;
 }
 
 void HTMLObjectElement::removedFrom(const Handle<ContainerNode>& insertionPoint)
 {
     HTMLPlugInImageElement::removedFrom(insertionPoint);
     FormAssociatedElement::removedFrom(insertionPoint);
 }
 
-void HTMLObjectElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void HTMLObjectElement::childrenChanged(bool changedByParser, const Handle<Node>& beforeChange, const Handle<Node>& afterChange, int childCountDelta)
 {
     updateDocNamedItem();
     if (inDocument() && !useFallbackContent()) {
         setNeedsWidgetUpdate(true);
         setNeedsStyleRecalc();
     }
     HTMLPlugInImageElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 }
 
 bool HTMLObjectElement::isURLAttribute(const Attribute& attribute) const
@@ skipping 156 matching lines @@
     visitor->visit(this, &AcceptTrait<Node>::accept);
 }
 
 void HTMLObjectElement::accept(Visitor* visitor) const
 {
     HTMLPlugInImageElement::accept(visitor);
     FormAssociatedElement::accept(visitor);
 }
 
 }