root/ash/system/chromeos/screen_security/

1. screen_capture_observer.h
2. screen_capture_tray_item.cc
3. screen_capture_tray_item.h
4. screen_share_observer.h
5. screen_share_tray_item.cc
6. screen_share_tray_item.h
7. screen_tray_item.cc
8. screen_tray_item.h
9. screen_tray_item_unittest.cc