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

Source/core/svg/SVGFontFaceElement.cpp

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Apple Inc. 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 325 matching lines @@
         if (document().isActive() && document().styleEngine()->fontSelector()) {
             document().styleEngine()->fontSelector()->fontFaceCache()->remove(m_fontFaceRule.get());
             document().accessSVGExtensions().registerPendingSVGFontFaceElementsForRemoval(this);
         }
         m_fontFaceRule->mutableProperties().clear();
         document().styleResolverChanged();
     } else
         ASSERT(!m_fontElement);
 }
 
-void SVGFontFaceElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGFontFaceElement::childrenChanged(const ChildrenChange& change)
 {
-    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    SVGElement::childrenChanged(change);
     rebuildFontFace();
 }
 
 void SVGFontFaceElement::trace(Visitor* visitor)
 {
     visitor->trace(m_fontFaceRule);
     visitor->trace(m_fontElement);
     SVGElement::trace(visitor);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG_FONTS)