move windows when disconnecting secondary monitors

ash/root_window_controller.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_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 48 matching lines @@
 
   void CreateContainers();
   void InitLayoutManagers();
 
   // Deletes all child windows and performs necessary cleanup.
   void CloseChildWindows();
 
   // Returns true if the workspace has a maximized or fullscreen window.
   bool IsInMaximizedMode() const;
 
+  // Moves child windows to the |dest|.

[sky, 2012/06/25 22:05:14]

remove 'the'.

[oshima, 2012/06/25 22:42:28]

Done.

+  void MoveWindowsTo(aura::RootWindow* dest);
+
  private:
   scoped_ptr<aura::RootWindow> root_window_;
   internal::RootWindowLayoutManager* root_window_layout_;
 
   // An event filter that pre-handles all key events to send them to an IME.
   scoped_ptr<internal::EventClientImpl> event_client_;
   scoped_ptr<internal::ScreenDimmer> screen_dimmer_;
   scoped_ptr<internal::WorkspaceController> workspace_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowController);
 };
 
 }  // namespace internal
 }  // ash
 
 #endif  //  ASH_ROOT_WINDOW_CONTROLLER_H_