Replace RenderArena with PartitionAlloc

Source/core/svg/SVGTSpanElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 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 24 matching lines @@
     ScriptWrappable::init(this);
 }
 
 PassRefPtr<SVGTSpanElement> SVGTSpanElement::create(const QualifiedName& tagName, Document* document)
 {
     return adoptRef(new SVGTSpanElement(tagName, document));
 }
 
 RenderObject* SVGTSpanElement::createRenderer(RenderStyle*)
 {
-    return new (document()->renderArena()) RenderSVGTSpan(this);
+    return new RenderSVGTSpan(this);
 }
 
 bool SVGTSpanElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
 {
     if (childContext.node()->isTextNode()
         || childContext.node()->hasTagName(SVGNames::aTag)
 #if ENABLE(SVG_FONTS)
         || childContext.node()->hasTagName(SVGNames::altGlyphTag)
 #endif
         || childContext.node()->hasTagName(SVGNames::trefTag)
@@ skipping 12 matching lines @@
 #endif
             || parentNode()->hasTagName(SVGNames::textTag)
             || parentNode()->hasTagName(SVGNames::textPathTag)
             || parentNode()->hasTagName(SVGNames::tspanTag)))
         return Element::rendererIsNeeded(context);
 
     return false;
 }
 
 }