aura: Draw drop shadows under browsers and menus.

ui/aura/desktop.h

 // Copyright (c) 2011 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 UI_AURA_DESKTOP_H_
 #define UI_AURA_DESKTOP_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 91 matching lines @@
 
   // Activates the topmost window. Does nothing if the topmost window is already
   // active.
   void ActivateTopmostWindow();
 
   // Deactivates |window| and activates the topmost window. Does nothing if
   // |window| is not a topmost window, or there are no other suitable windows to
   // activate.
   void Deactivate(Window* window);
 
+  // Invoked when |window| is initialized.
+  void WindowInitialized(Window* window);
+
   // Invoked when |window| is being destroyed.
   void WindowDestroying(Window* window);
 
   // Returns the desktop's dispatcher. The result should only be passed to
   // MessageLoopForUI::RunWithDispatcher() or
   // MessageLoopForUI::RunAllPendingWithDispatcher(), or used to dispatch
   // an event by |Dispatch(const NativeEvent&)| on it. It must never be stored.
   MessageLoop::Dispatcher* GetDispatcher();
 
   // Add/remove observer.
@@ skipping 98 matching lines @@
   Window* mouse_moved_handler_;
   Window* focused_window_;
   Window* touch_event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(Desktop);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_DESKTOP_H_