Add RootWindowController

ash/wm/window_properties.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_WM_WINDOW_PROPERTIES_H_
 #define ASH_WM_WINDOW_PROPERTIES_H_
 #pragma once
 
 #include "ash/wm/property_util.h"
 #include "ash/wm/shadow_types.h"
 #include "ui/aura/window.h"
 #include "ui/base/ui_base_types.h"
 
 namespace ui_controls {
 class UIControlsAura;
 }
 
 namespace ash {
 namespace internal {
 class AlwaysOnTopController;
+class RootWindowController;
 
 // Shell-specific window property keys.
 
 // Alphabetical sort.
 
 // A Key to store AlwaysOnTopController per RootWindow. The value is
 // owned by the RootWindow.
 extern const aura::WindowProperty<internal::AlwaysOnTopController*>* const
     kAlwaysOnTopControllerKey;
 
@@ skipping 14 matching lines @@
 extern const aura::WindowProperty<ui_controls::UIControlsAura*>* const
     kUIControlsKey;
 
 extern const aura::WindowProperty<WindowPersistsAcrossAllWorkspacesType>* const
     kWindowPersistsAcrossAllWorkspacesKey;
 
 // True if the window is controlled by the workspace manager.
 extern const aura::WindowProperty<bool>* const
     kWindowTrackedByWorkspaceKey;
 
+extern const aura::WindowProperty<RootWindowController*>* const
+    kRootWindowControllerKey;
+
 // Alphabetical sort.
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_PROPERTIES_H_