Remove FrameMsg_ClearFocusedFrame.

third_party/WebKit/Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 168 matching lines @@
   void setOpenedByDOM() override;
   void resizeWithTopControls(const WebSize&,
                              float topControlsHeight,
                              bool topControlsShrinkLayout) override;
   WebFrame* mainFrame() override;
   WebFrame* findFrameByName(const WebString& name,
                             WebFrame* relativeToFrame) override;
   WebLocalFrame* focusedFrame() override;
   void setFocusedFrame(WebFrame*) override;
   void focusDocumentView(WebFrame*) override;
-  void unfocusDocumentView() override;
   void setInitialFocus(bool reverse) override;
   void clearFocusedElement() override;
   bool scrollFocusedEditableElementIntoRect(const WebRect&) override;
   void smoothScroll(int targetX, int targetY, long durationMs) override;
   void zoomToFindInPageRect(const WebRect&);
   void advanceFocus(bool reverse) override;
   void advanceFocusAcrossFrames(WebFocusType,
                                 WebRemoteFrame* from,
                                 WebLocalFrame* to) override;
   double zoomLevel() override;
@@ skipping 572 matching lines @@
   Persistent<ResizeViewportAnchor> m_resizeViewportAnchor;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 }  // namespace blink
 
 #endif