Allow focus to be sent between browser window and launcher/status window

ash/shell_delegate.h

 // Copyright (c) 2012 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 ASH_SHELL_DELEGATE_H_
 #define ASH_SHELL_DELEGATE_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 59 matching lines @@
 
   // Returns a list of windows to cycle with keyboard shortcuts (e.g. alt-tab
   // or the window switching key).  If |order_by_activity| is true then windows
   // are returned in most-recently-used order with the currently active window
   // at the front of the list.  Otherwise any order may be returned.  The list
   // does not contain NULL pointers.
   virtual std::vector<aura::Window*> GetCycleWindowList(
       CycleSource source,
       CycleOrder order) const = 0;
 
+  virtual void RotateFocus(bool forward) = 0;
+
   // Launcher related methods --------------------------------------------------
 
   // Invoked when the user clicks on button in the launcher to create a new
   // window.
   virtual void CreateNewWindow() = 0;
 
   // Invoked when the user clicks on a window entry in the launcher.
   virtual void LauncherItemClicked(const LauncherItem& item) = 0;
 
   // Returns the resource id of the image to show on the browser shortcut
   // button.
   virtual int GetBrowserShortcutResourceId() = 0;
 
   // Returns the title to display for the specified launcher item.
   virtual string16 GetLauncherItemTitle(const LauncherItem& item) = 0;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_DELEGATE_H_