[oilpan] Handlify childrenChanged.

Source/core/svg/SVGGradientElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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 108 matching lines @@
         SVGStyledElement::svgAttributeChanged(attrName);
         return;
     }
 
     SVGElementInstance::InvalidationGuard invalidationGuard(this);
     
     if (RenderObject* object = renderer())
         object->setNeedsLayout(true);
 }
     
-void SVGGradientElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGGradientElement::childrenChanged(bool changedByParser, const Handle<Node>& beforeChange, const Handle<Node>& afterChange, int childCountDelta)
 {
     SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 
     if (changedByParser)
         return;
 
     if (RenderObject* object = renderer())
         object->setNeedsLayout(true);
 }
 
@@ skipping 22 matching lines @@
 
         stops.append(Gradient::ColorStop(offset, r, g, b, a));
     }
 
     return stops;
 }
 
 }
 
 #endif // ENABLE(SVG)