Replace RenderArena with PartitionAlloc.

Source/core/svg/SVGSVGElement.h

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.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,
@@ skipping 127 matching lines @@
 
 private:
     SVGSVGElement(const QualifiedName&, Document*);
     virtual ~SVGSVGElement();
 
     virtual bool isSVGSVGElement() const OVERRIDE { return true; }
     
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
 
     virtual bool rendererIsNeeded(const NodeRenderingContext&) OVERRIDE;
-    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
+    virtual RenderObject* createRenderer(RenderStyle*);
 
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     virtual void removedFrom(ContainerNode*) OVERRIDE;
 
     virtual void svgAttributeChanged(const QualifiedName&);
 
     virtual bool selfHasRelativeLengths() const;
 
     void inheritViewAttributes(SVGViewElement*);
 
@@ skipping 31 matching lines @@
 inline SVGSVGElement* toSVGSVGElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isSVGElement());
     ASSERT_WITH_SECURITY_IMPLICATION(!node || toSVGElement(node)->isSVGSVGElement());
     return static_cast<SVGSVGElement*>(node);
 }
 
 } // namespace WebCore
 
 #endif