Replace RenderArena with PartitionAlloc.

Source/core/html/ImageInputType.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. 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 83 matching lines @@
     if (event->underlyingEvent() && event->underlyingEvent()->isMouseEvent()) {
         MouseEvent* mouseEvent = toMouseEvent(event->underlyingEvent());
         m_clickLocation = IntPoint(mouseEvent->offsetX(), mouseEvent->offsetY());
     } else
         m_clickLocation = IntPoint();
     element->form()->prepareForSubmission(event); // Event handlers can run.
     element->setActivatedSubmit(false);
     event->setDefaultHandled();
 }
 
-RenderObject* ImageInputType::createRenderer(RenderArena* arena, RenderStyle*) const
+RenderObject* ImageInputType::createRenderer(RenderStyle*) const
 {
-    RenderImage* image = new (arena) RenderImage(element());
+    RenderImage* image = new RenderImage(element());
     image->setImageResource(RenderImageResource::create());
     return image;
 }
 
 void ImageInputType::altAttributeChanged()
 {
     RenderImage* image = toRenderImage(element()->renderer());
     if (!image)
         return;
     image->updateAltText();
@@ skipping 96 matching lines @@
         }
     }
 
     element->document()->updateLayout();
 
     RenderBox* box = element->renderBox();
     return box ? adjustForAbsoluteZoom(box->contentWidth(), box) : 0;
 }
 
 } // namespace WebCore