Pass a struct to ContainerNode::childrenChanged() instead of separate arguments

Source/core/svg/SVGClipPathElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. 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 59 matching lines @@
         return;
     }
 
     SVGElement::InvalidationGuard invalidationGuard(this);
 
     RenderSVGResourceContainer* renderer = toRenderSVGResourceContainer(this->renderer());
     if (renderer)
         renderer->invalidateCacheAndMarkForLayout();
 }
 
-void SVGClipPathElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGClipPathElement::childrenChanged(const ChildrenChange& change)
 {
-    SVGGraphicsElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    SVGGraphicsElement::childrenChanged(change);
 
-    if (changedByParser)
+    if (change.byParser)
         return;
 
     if (RenderObject* object = renderer())
         object->setNeedsLayoutAndFullPaintInvalidation();
 }
 
 RenderObject* SVGClipPathElement::createRenderer(RenderStyle*)
 {
     return new RenderSVGResourceClipper(this);
 }
 
 }