Better Z-index support.

ui/aura_shell/shell_factory.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_SHELL_SHELL_FACTORY_H_
 #define UI_AURA_SHELL_SHELL_FACTORY_H_
 #pragma once
 
 #include "ui/aura_shell/aura_shell_export.h"
 
 namespace views {
 class Widget;
 }
 
+// Declarations of shell component factory functions.
+
 namespace aura_shell {
+
+AURA_SHELL_EXPORT void InitDesktopWindow();
+
 namespace internal {
 
-// Declarations of shell component factory functions.
-
-AURA_SHELL_EXPORT views::Widget* CreateDesktopBackground();
-
-AURA_SHELL_EXPORT views::Widget* CreateLauncher();
-
-AURA_SHELL_EXPORT views::Widget* CreateStatusArea();
+views::Widget* CreateDesktopBackground();
+views::Widget* CreateLauncher();
+views::Widget* CreateStatusArea();
 
 }  // namespace internal
 }  // namespace aura_shell
 
 
 #endif  // UI_AURA_SHELL_SHELL_FACTORY_H_