Devirtualize Frame::domWindow().

third_party/WebKit/Source/core/frame/Frame.h

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999-2001 Lars Knoll <knoll@kde.org>
  *                     1999-2001 Antti Koivisto <koivisto@kde.org>
  *                     2000-2001 Simon Hausmann <hausmann@kde.org>
  *                     2000-2001 Dirk Mueller <mueller@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 56 matching lines @@
 // input, layout, or painting probably belongs on LocalFrame.
 class CORE_EXPORT Frame : public GarbageCollectedFinalized<Frame> {
  public:
   virtual ~Frame();
 
   DECLARE_VIRTUAL_TRACE();
 
   virtual bool isLocalFrame() const = 0;
   virtual bool isRemoteFrame() const = 0;
 
-  virtual DOMWindow* domWindow() const = 0;
   virtual WindowProxy* windowProxy(DOMWrapperWorld&) = 0;
 
   virtual void navigate(Document& originDocument,
                         const KURL&,
                         bool replaceCurrentItem,
                         UserGestureStatus) = 0;
   // This version of Frame::navigate assumes the resulting navigation is not
   // to be started on a timer. Use the method above in such cases.
   virtual void navigate(const FrameLoadRequest&) = 0;
   virtual void reload(FrameLoadType, ClientRedirectPolicy) = 0;
@@ skipping 12 matching lines @@
   Page* page() const;
   FrameHost* host() const;  // Null when the frame is detached.
 
   bool isMainFrame() const;
   bool isLocalRoot() const;
 
   FrameOwner* owner() const;
   void setOwner(FrameOwner* owner) { m_owner = owner; }
   HTMLFrameOwnerElement* deprecatedLocalOwner() const;
 
+  DOMWindow* domWindow() const { return m_domWindow; }
+
   FrameTree& tree() const;
   ChromeClient& chromeClient() const;
 
   virtual SecurityContext* securityContext() const = 0;
 
   Frame* findFrameForNavigation(const AtomicString& name, Frame& activeFrame);
   Frame* findUnsafeParentScrollPropagationBoundary();
 
   // This prepares the Frame for the next commit. It will detach children,
   // dispatch unload events, abort XHR requests and detach the document.
@@ skipping 26 matching lines @@
 
   bool isDetaching() const { return m_isDetaching; }
 
  protected:
   Frame(FrameClient*, FrameHost*, FrameOwner*);
 
   mutable FrameTree m_treeNode;
 
   Member<FrameHost> m_host;
   Member<FrameOwner> m_owner;
+  Member<DOMWindow> m_domWindow;
 
   bool m_isDetaching = false;
 
  private:
   bool canNavigateWithoutFramebusting(const Frame&, String& errorReason);
 
   Member<FrameClient> m_client;
   bool m_isLoading;
 };
 
 inline FrameClient* Frame::client() const {
   return m_client;
 }
 
 inline FrameOwner* Frame::owner() const {
   return m_owner;
 }
 
 inline FrameTree& Frame::tree() const {
   return m_treeNode;
 }
 
 // Allow equality comparisons of Frames by reference or pointer,
 // interchangeably.
 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES(Frame)
 
 }  // namespace blink
 
 #endif  // Frame_h