Move window.close implementation to DOMWindow

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"
@@ skipping 29 matching lines @@
 
     // FIXME: Remove this method once we have input routing in the browser
     // process. See http://crbug.com/339659.
     void forwardInputEvent(Event*);
 
     void setRemotePlatformLayer(WebLayer*);
     WebLayer* remotePlatformLayer() const { return m_remotePlatformLayer; }
 
     void setView(PassRefPtrWillBeRawPtr<RemoteFrameView>);
     void createView();
+    void close();
 
     RemoteFrameView* view() const;
 
 private:
     RemoteFrame(RemoteFrameClient*, FrameHost*, FrameOwner*);
 
     // Internal Frame helper overrides:
     WindowProxyManager* windowProxyManager() const override { return m_windowProxyManager.get(); }
 
     RemoteFrameClient* remoteFrameClient() const;
 
     RefPtrWillBeMember<RemoteFrameView> m_view;
     RefPtr<RemoteSecurityContext> m_securityContext;
     RefPtrWillBeMember<RemoteDOMWindow> m_domWindow;
     OwnPtrWillBeMember<WindowProxyManager> m_windowProxyManager;
     WebLayer* m_remotePlatformLayer;
 };
 
 inline RemoteFrameView* RemoteFrame::view() const
 {
     return m_view.get();
 }
 
 DEFINE_TYPE_CASTS(RemoteFrame, Frame, remoteFrame, remoteFrame->isRemoteFrame(), remoteFrame.isRemoteFrame());
 
 } // namespace blink
 
 #endif // RemoteFrame_h