Better Z-index support.

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 37 matching lines @@
   bool OnKeyEvent(const KeyEvent& event);
 
   // Called when the host changes size.
   void OnHostResized(const gfx::Size& size);
 
   // Compositor we're drawing to.
   ui::Compositor* compositor() { return compositor_.get(); }
 
   Window* window() { return window_.get(); }
 
+  Window* toplevel_window_container() { return toplevel_window_container_; }

[oshima, 2011/09/20 05:29:28]

() const {...

 same for getts above.

+  void set_toplevel_window_container(Window* toplevel_window_container) {
+    toplevel_window_container_ = toplevel_window_container;
+  }
+
   static Desktop* GetInstance();
 
  private:
   // Overridden from ui::CompositorDelegate
   virtual void ScheduleCompositorPaint();
 
   scoped_refptr<ui::Compositor> compositor_;
 
   scoped_ptr<internal::RootWindow> window_;
+  Window* toplevel_window_container_;
 
   scoped_ptr<DesktopHost> host_;
 
   static Desktop* instance_;
 
   // Used to schedule painting.
   ScopedRunnableMethodFactory<Desktop> schedule_paint_;
 
   DISALLOW_COPY_AND_ASSIGN(Desktop);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_DESKTOP_H_