Replace RenderArena with PartitionAlloc.

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 114 matching lines @@
 class MouseEventWithHitTestResults;
 class NamedFlowCollection;
 class NodeFilter;
 class NodeIterator;
 class Page;
 class PlatformMouseEvent;
 class Prerenderer;
 class ProcessingInstruction;
 class Range;
 class RegisteredEventListener;
-class RenderArena;
 class RenderView;
 class RequestAnimationFrameCallback;
 class SVGDocumentExtensions;
 class ScriptElementData;
 class ScriptRunner;
 class ScriptableDocumentParser;
 class ScriptedAnimationController;
 class SecurityOrigin;
 class SegmentedString;
 class SelectorQueryCache;
@@ skipping 355 matching lines @@
     CachedResourceLoader* cachedResourceLoader() { return m_cachedResourceLoader.get(); }
 
     virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
     virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
     void prepareForDestruction();
 
     // Override ScriptExecutionContext methods to do additional work
     virtual void suspendActiveDOMObjects(ActiveDOMObject::ReasonForSuspension) OVERRIDE;
     virtual void resumeActiveDOMObjects() OVERRIDE;
 
-    RenderArena* renderArena() { return m_renderArena.get(); }
-
     // Implemented in RenderView.h to avoid a cyclic header dependency this just
     // returns renderer so callers can avoid verbose casts.
     RenderView* renderView() const;
 
     // Shadow the implementations on Node to provide faster access for documents.
     RenderObject* renderer() const { return m_renderer; }
     void setRenderer(RenderObject* renderer)
     {
         m_renderer = renderer;
         Node::setRenderer(renderer);
@@ skipping 734 matching lines @@
     bool m_updateFocusAppearanceRestoresSelection;
 
     // http://www.whatwg.org/specs/web-apps/current-work/#ignore-destructive-writes-counter
     unsigned m_ignoreDestructiveWriteCount;
 
     StringWithDirection m_title;
     StringWithDirection m_rawTitle;
     bool m_titleSetExplicitly;
     RefPtr<Element> m_titleElement;
 
-    RefPtr<RenderArena> m_renderArena;
-
     OwnPtr<AXObjectCache> m_axObjectCache;
     OwnPtr<DocumentMarkerController> m_markers;
     
     Timer<Document> m_updateFocusAppearanceTimer;
 
     Element* m_cssTarget;
 
     // FIXME: Merge these 2 variables into an enum. Also, FrameLoader::m_didCallImplicitClose
     // is almost a duplication of this data, so that should probably get merged in too.
     // FIXME: Document::m_processingLoadEvent and DocumentLoader::m_wasOnloadHandled are roughly the same
@@ skipping 172 matching lines @@
 inline bool Node::isDocumentNode() const
 {
     return this == documentInternal();
 }
 
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #endif // Document_h