class EventRewriterController;
class ExtensionSystemEventObserver;
class IdleActionWarningObserver;
+class LightBar;
class MagnificationManager;
class PeripheralBatteryObserver;
class PowerButtonObserver;
scoped_ptr<IdleActionWarningObserver> idle_action_warning_observer_;
scoped_ptr<DataPromoNotification> data_promo_notification_;
scoped_ptr<RendererFreezer> renderer_freezer_;
+ scoped_ptr<LightBar> light_bar_;
scoped_ptr<internal::DBusServices> dbus_services_;