Replace RenderArena with PartitionAlloc.

Source/core/svg/SVGFilterElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * 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 37 matching lines @@
 private:
     SVGFilterElement(const QualifiedName&, Document*);
 
     virtual bool needsPendingResourceHandling() const { return false; }
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
 
-    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) OVERRIDE;
+    virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
     virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const OVERRIDE;
 
     virtual bool selfHasRelativeLengths() const;
 
     static const AtomicString& filterResXIdentifier();
     static const AtomicString& filterResYIdentifier();
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFilterElement)
         DECLARE_ANIMATED_ENUMERATION(FilterUnits, filterUnits, SVGUnitTypes::SVGUnitType)
         DECLARE_ANIMATED_ENUMERATION(PrimitiveUnits, primitiveUnits, SVGUnitTypes::SVGUnitType)
@@ skipping 10 matching lines @@
 
 inline SVGFilterElement* toSVGFilterElement(SVGElement* element)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!element || element->hasTagName(SVGNames::filterTag));
     return static_cast<SVGFilterElement*>(element);
 }
 
 }
 
 #endif