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

Source/core/svg/SVGMarkerElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 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 113 matching lines @@
         || attrName == SVGNames::refYAttr
         || attrName == SVGNames::markerWidthAttr
         || attrName == SVGNames::markerHeightAttr)
         updateRelativeLengthsInformation();
 
     RenderSVGResourceContainer* renderer = toRenderSVGResourceContainer(this->renderer());
     if (renderer)
         renderer->invalidateCacheAndMarkForLayout();
 }
 
-void SVGMarkerElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGMarkerElement::childrenChanged(const ChildrenChange& change)
 {
-    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    SVGElement::childrenChanged(change);
 
-    if (changedByParser)
+    if (change.byParser)
         return;
 
     if (RenderObject* object = renderer())
         object->setNeedsLayoutAndFullPaintInvalidation();
 }
 
 void SVGMarkerElement::setOrientToAuto()
 {
     m_orientAngle->baseValue()->orientType()->setEnumValue(SVGMarkerOrientAuto);
     invalidateSVGAttributes();
@@ skipping 16 matching lines @@
 
 bool SVGMarkerElement::selfHasRelativeLengths() const
 {
     return m_refX->currentValue()->isRelative()
         || m_refY->currentValue()->isRelative()
         || m_markerWidth->currentValue()->isRelative()
         || m_markerHeight->currentValue()->isRelative();
 }
 
 }