Replace RenderArena with PartitionAlloc.

Source/core/svg/SVGAElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2010 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 129 matching lines @@
     // as none of the other properties changes the linking behaviour for our <a> element.
     if (SVGURIReference::isKnownAttribute(attrName)) {
         bool wasLink = isLink();
         setIsLink(!href().isNull());
 
         if (wasLink != isLink())
             setNeedsStyleRecalc();
     }
 }
 
-RenderObject* SVGAElement::createRenderer(RenderArena* arena, RenderStyle*)
+RenderObject* SVGAElement::createRenderer(RenderStyle*)
 {
     if (parentNode() && parentNode()->isSVGElement() && toSVGElement(parentNode())->isTextContent())
-        return new (arena) RenderSVGInline(this);
+        return new RenderSVGInline(this);
 
-    return new (arena) RenderSVGTransformableContainer(this);
+    return new RenderSVGTransformableContainer(this);
 }
 
 void SVGAElement::defaultEventHandler(Event* event)
 {
     if (isLink()) {
         if (focused() && isEnterKeyKeydownEvent(event)) {
             event->setDefaultHandled();
             dispatchSimulatedClick(event);
             return;
         }
@@ skipping 72 matching lines @@
     // The 'a' element may contain any element that its parent may contain, except itself.
     if (childContext.node()->hasTagName(SVGNames::aTag))
         return false;
     if (parentNode() && parentNode()->isSVGElement())
         return parentNode()->childShouldCreateRenderer(childContext);
 
     return SVGElement::childShouldCreateRenderer(childContext);
 }
 
 } // namespace WebCore