Replace RenderArena with PartitionAlloc.

Source/core/html/HTMLPlugInImageElement.h

 /*
  * Copyright (C) 2008, 2009, 2011, 2012 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 80 matching lines @@
     static void updateWidgetCallback(Node*);
     virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
     virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
 
     bool allowedToLoadFrameURL(const String& url);
     bool wouldLoadAsNetscapePlugin(const String& url, const String& serviceType);
 
     virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE;
 
 private:
-    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
+    virtual RenderObject* createRenderer(RenderStyle*);
     virtual void willRecalcStyle(StyleChange) OVERRIDE FINAL;
 
     virtual void finishParsingChildren();
 
     void updateWidgetIfNecessary();
 
     void swapRendererTimerFired(Timer<HTMLPlugInImageElement>*);
 
     void restartSimilarPlugIns();
 
@@ skipping 19 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(plugInElement->isPlugInImageElement());
     return static_cast<const HTMLPlugInImageElement*>(plugInElement);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toHTMLPlugInImageElement(const HTMLPlugInImageElement*);
 
 } // namespace WebCore
 
 #endif // HTMLPlugInImageElement_h