root/ash/system/chromeos/session/

[..]
  1. last_window_closed_logout_reminder.cc
  2. last_window_closed_logout_reminder.h
  3. last_window_closed_observer.h
  4. logout_button_observer.h
  5. logout_button_tray.cc
  6. logout_button_tray.h
  7. logout_confirmation_controller.cc
  8. logout_confirmation_controller.h
  9. logout_confirmation_controller_unittest.cc
  10. logout_confirmation_dialog.cc
  11. logout_confirmation_dialog.h
  12. session_length_limit_observer.h
  13. tray_session_length_limit.cc
  14. tray_session_length_limit.h
  15. tray_session_length_limit_unittest.cc
[..]