root/chrome/browser/first_run/

[..]
  1. first_run.cc
  2. first_run.h
  3. first_run_browsertest.cc
  4. first_run_dialog.h
  5. first_run_internal.h
  6. first_run_internal_linux.cc
  7. first_run_internal_posix.cc
  8. first_run_internal_win.cc
  9. first_run_unittest.cc
  10. try_chrome_dialog_view.cc
  11. try_chrome_dialog_view.h
  12. try_chrome_dialog_view_browsertest.cc
  13. upgrade_util.cc
  14. upgrade_util.h
  15. upgrade_util_linux.cc
  16. upgrade_util_linux.h
  17. upgrade_util_mac.cc
  18. upgrade_util_win.cc
  19. upgrade_util_win.h
[..]