mash: Fix shelf window property use in Chrome.

chrome/browser/ui/ash/launcher/chrome_launcher_controller.h

 // Copyright 2013 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 CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 
 #include <string>
 #include <vector>
 
 #include "ash/common/shelf/shelf_item_delegate.h"
 #include "ash/common/shelf/shelf_item_types.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_types.h"
+#include "chrome/browser/ui/ash/launcher/settings_window_observer.h"
 #include "extensions/common/constants.h"
 
 class AccountId;
 class ArcAppDeferredLauncherController;
 class Browser;
 class BrowserShortcutLauncherItemController;
 class GURL;
 class LauncherItemController;
 
 namespace ash {
@@ skipping 215 matching lines @@
 
   // Controller to launch Arc apps in deferred mode.
   virtual ArcAppDeferredLauncherController* GetArcDeferredLauncher() = 0;
 
  protected:
   ChromeLauncherController();
 
  private:
   static ChromeLauncherController* instance_;
 
+  SettingsWindowObserver settings_window_observer_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_