root/chrome/browser/status_icons/

1. desktop_notification_balloon.cc
2. desktop_notification_balloon.h
3. status_icon.cc
4. status_icon.h
5. status_icon_menu_model.cc
6. status_icon_menu_model.h
7. status_icon_menu_model_unittest.cc
8. status_icon_observer.h
9. status_icon_unittest.cc
10. status_tray.cc
11. status_tray.h
12. status_tray_unittest.cc