Replace RenderArena with PartitionAlloc.

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 194 matching lines @@
     setOrientTypeBaseValue(SVGMarkerOrientAngle);
     setOrientAngleBaseValue(angle);
 
     // Mark orientAttr dirty - the next XML DOM access of that attribute kicks in synchronization.
     m_orientAngle.shouldSynchronize = true;
     m_orientType.shouldSynchronize = true;
     invalidateSVGAttributes();
     svgAttributeChanged(orientAnglePropertyInfo()->attributeName);
 }
 
-RenderObject* SVGMarkerElement::createRenderer(RenderArena* arena, RenderStyle*)
+RenderObject* SVGMarkerElement::createRenderer(RenderStyle*)
 {
-    return new (arena) RenderSVGResourceMarker(this);
+    return new RenderSVGResourceMarker(this);
 }
 
 bool SVGMarkerElement::selfHasRelativeLengths() const
 {
     return refX().isRelative()
         || refY().isRelative()
         || markerWidth().isRelative()
         || markerHeight().isRelative();
 }
 
@@ skipping 20 matching lines @@
            (ownerType, orientTypePropertyInfo(), ownerType->m_orientType.value);
 }
   
 PassRefPtr<SVGAnimatedEnumerationPropertyTearOff<SVGMarkerOrientType> > SVGMarkerElement::orientTypeAnimated()
 {
     m_orientType.shouldSynchronize = true;
     return static_pointer_cast<SVGAnimatedEnumerationPropertyTearOff<SVGMarkerOrientType> >(lookupOrCreateOrientTypeWrapper(this));
 }
 
 }