Devirtualize Frame::domWindow().

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef RemoteFrame_h
 #define RemoteFrame_h
 
 #include "core/CoreExport.h"
 #include "core/dom/RemoteSecurityContext.h"
 #include "core/frame/Frame.h"
 #include "public/platform/WebFocusType.h"
 
 namespace blink {
 
 class Event;
 class IntRect;
 class LocalFrame;
-class RemoteDOMWindow;
 class RemoteFrameClient;
 class RemoteFrameView;
 class WebLayer;
 class WindowProxyManager;
 struct FrameLoadRequest;
 
 class CORE_EXPORT RemoteFrame final : public Frame {
  public:
   static RemoteFrame* create(RemoteFrameClient*, FrameHost*, FrameOwner*);
 
   ~RemoteFrame() override;
 
   // Frame overrides:
   DECLARE_VIRTUAL_TRACE();
-  DOMWindow* domWindow() const override;
   WindowProxy* windowProxy(DOMWrapperWorld&) override;
   void navigate(Document& originDocument,
                 const KURL&,
                 bool replaceCurrentItem,
                 UserGestureStatus) override;
   void navigate(const FrameLoadRequest& passedRequest) override;
   void reload(FrameLoadType, ClientRedirectPolicy) override;
   void detach(FrameDetachType) override;
   RemoteSecurityContext* securityContext() const override;
   void printNavigationErrorMessage(const Frame&, const char* reason) override {}
@@ skipping 30 matching lines @@
   }
   // Intentionally private to prevent redundant checks when the type is
   // already RemoteFrame.
   bool isLocalFrame() const override { return false; }
   bool isRemoteFrame() const override { return true; }
 
   void detachChildren();
 
   Member<RemoteFrameView> m_view;
   Member<RemoteSecurityContext> m_securityContext;
-  Member<RemoteDOMWindow> m_domWindow;
   Member<WindowProxyManager> m_windowProxyManager;
   WebLayer* m_webLayer = nullptr;
 };
 
 inline RemoteFrameView* RemoteFrame::view() const {
   return m_view.get();
 }
 
 DEFINE_TYPE_CASTS(RemoteFrame,
                   Frame,
                   remoteFrame,
                   remoteFrame->isRemoteFrame(),
                   remoteFrame.isRemoteFrame());
 
 }  // namespace blink
 
 #endif  // RemoteFrame_h