Show status bubble for links that have keyboard focus....

webkit/api/public/WebViewClient.h

 /*
  * Copyright (C) 2009 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 186 matching lines @@
         virtual void showContextMenu(WebFrame*, const WebContextMenuData&) = 0;
 
         // UI ------------------------------------------------------------------
 
         // Called when script modifies window.status
         virtual void setStatusText(const WebString&) = 0;
 
         // Called when hovering over an anchor with the given URL.
         virtual void setMouseOverURL(const WebURL&) = 0;
 
+        // Called when keyboard focus switches to an anchor with the given URL.
+        virtual void setKeyboardFocusURL(const WebURL&) = 0;
+
         // Called when a tooltip should be shown at the current cursor position.
         virtual void setToolTipText(const WebString&, WebTextDirection hint) = 0;
 
         // Called when a context menu should be shown at the current cursor position.
         // FIXME hook this up
         //virtual void showContextMenu(const WebContextMenuInfo&) = 0;
 
         // Called when a drag-n-drop operation should begin.
         virtual void startDragging(
             const WebPoint& from, const WebDragData&, WebDragOperationsMask) = 0;
@@ skipping 54 matching lines @@
         virtual void removeAutofillSuggestions(const WebString& name,
                                                const WebString& value) = 0;
 
     protected:
         ~WebViewClient() { }
     };
 
 } // namespace WebKit
 
 #endif