[oilpan] Handlify childrenChanged.

Source/core/svg/SVGTitleElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  *
  * 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,
@@ skipping 39 matching lines @@
     return InsertionDone;
 }
 
 void SVGTitleElement::removedFrom(const Handle<ContainerNode>& rootParent)
 {
     SVGElement::removedFrom(rootParent);
     if (rootParent->inDocument())
         document()->removeTitle(this);
 }
 
-void SVGTitleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGTitleElement::childrenChanged(bool changedByParser, const Handle<Node>& beforeChange, const Handle<Node>& afterChange, int childCountDelta)
 {
     SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
     if (inDocument())
         // FIXME: does SVG have title text direction?
         document()->setTitleElement(StringWithDirection(textContent(), LTR), this);
 }
 
 }
 
 #endif // ENABLE(SVG)