Add SystemTrayObservers

ash/shell.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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 56 matching lines @@
 class HighContrastController;
 class Launcher;
 class NestedDispatcherController;
 class PowerButtonController;
 class ScreenAsh;
 class SessionStateController;
 class ShellDelegate;
 class ShellObserver;
 class SystemTray;
 class SystemTrayDelegate;
+class SystemTrayNotifier;
 class UserActivityDetector;
 class UserWallpaperDelegate;
 class VideoDetector;
 class WebNotificationTray;
 class WindowCycleController;
 
 namespace internal {
 class AcceleratorFilter;
 class ActivationController;
 class AppListController;
@@ skipping 278 matching lines @@
   // status_area_widget() has been destroyed; check status_area_widget()
   // before calling these in destructors.
   internal::StatusAreaWidget* status_area_widget();
   SystemTray* system_tray();
 
   // TODO(stevenjb): Rename to system_tray_delegate().
   SystemTrayDelegate* tray_delegate() {
     return system_tray_delegate_.get();
   }
 
+  SystemTrayNotifier* system_tray_notifier() {
+    return system_tray_notifier_.get();
+  }
+
   static void set_initially_hide_cursor(bool hide) {
     initially_hide_cursor_ = hide;
   }
 
   internal::ResizeShadowController* resize_shadow_controller() {
     return resize_shadow_controller_.get();
   }
 
   // Made available for tests.
   internal::ShadowController* shadow_controller() {
@@ skipping 66 matching lines @@
   std::vector<WindowAndBoundsPair> to_restore_;
 
 #if !defined(OS_MACOSX)
   scoped_ptr<NestedDispatcherController> nested_dispatcher_controller_;
 
   scoped_ptr<AcceleratorController> accelerator_controller_;
 #endif  // !defined(OS_MACOSX)
 
   scoped_ptr<ShellDelegate> delegate_;
   scoped_ptr<SystemTrayDelegate> system_tray_delegate_;
+  scoped_ptr<SystemTrayNotifier> system_tray_notifier_;
   scoped_ptr<UserWallpaperDelegate> user_wallpaper_delegate_;
   scoped_ptr<CapsLockDelegate> caps_lock_delegate_;
 
   scoped_ptr<internal::AppListController> app_list_controller_;
 
   scoped_ptr<internal::StackingController> stacking_controller_;
   scoped_ptr<internal::ActivationController> activation_controller_;
   scoped_ptr<internal::CaptureController> capture_controller_;
   scoped_ptr<internal::WindowModalityController> window_modality_controller_;
   scoped_ptr<internal::DragDropController> drag_drop_controller_;
@@ skipping 56 matching lines @@
 
   // For testing only: simulate that a modal window is open
   bool simulate_modal_window_open_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_