SetHideSystemNotifications   42 ash/system/status_area_widget.h   void SetHideSystemNotifications(bool hide);
SetHideSystemNotifications  381 ash/system/web_notification/web_notification_tray.cc   status_area_widget()->SetHideSystemNotifications(true);
SetHideSystemNotifications  399 ash/system/web_notification/web_notification_tray.cc   status_area_widget()->SetHideSystemNotifications(false);