Replace RenderArena with PartitionAlloc.

Source/core/rendering/RenderTableCell.cpp

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
@@ skipping 1232 matching lines @@
         LayoutUnit newBeforePadding = (totalHeight - heightWithoutIntrinsicPadding) / 2;
         LayoutUnit newAfterPadding = totalHeight - heightWithoutIntrinsicPadding - newBeforePadding;
         setIntrinsicPaddingBefore(newBeforePadding);
         setIntrinsicPaddingAfter(newAfterPadding);
     } else
         setIntrinsicPaddingAfter(intrinsicPaddingAfter() - scrollbarHeight);
 }
 
 RenderTableCell* RenderTableCell::createAnonymous(Document* document)
 {
-    RenderTableCell* renderer = new (document->renderArena()) RenderTableCell(0);
+    RenderTableCell* renderer = new RenderTableCell(0);
     renderer->setDocumentForAnonymous(document);
     return renderer;
 }
 
 RenderTableCell* RenderTableCell::createAnonymousWithParentRenderer(const RenderObject* parent)
 {
     RenderTableCell* newCell = RenderTableCell::createAnonymous(parent->document());
     RefPtr<RenderStyle> newStyle = RenderStyle::createAnonymousStyleWithDisplay(parent->style(), TABLE_CELL);
     newCell->setStyle(newStyle.release());
     return newCell;
 }
 
 } // namespace WebCore