[oilpan] Handlify childrenChanged.

Source/core/svg/SVGFontFaceFormatElement.cpp

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 23 matching lines @@
 {
     ASSERT(hasTagName(font_face_formatTag));
     ScriptWrappable::init(this);
 }
 
 PassRefPtr<SVGFontFaceFormatElement> SVGFontFaceFormatElement::create(const QualifiedName& tagName, Handle<Document> document)
 {
     return adoptRef(new SVGFontFaceFormatElement(tagName, document));
 }
 
-void SVGFontFaceFormatElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGFontFaceFormatElement::childrenChanged(bool changedByParser, const Handle<Node>& beforeChange, const Handle<Node>& afterChange, int childCountDelta)
 {
     SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 
     if (!parentNode() || !parentNode()->hasTagName(font_face_uriTag))
         return;
     
     Handle<ContainerNode> ancestor = parentNode()->parentNode();
     if (!ancestor || !ancestor->hasTagName(font_face_srcTag))
         return;
     
     ancestor = ancestor->parentNode();
     if (ancestor && ancestor->hasTagName(font_faceTag))
         Handle<SVGFontFaceElement>::cast(ancestor)->rebuildFontFace();
 }
 
 }
 
 #endif // ENABLE(SVG_FONTS)