root/chrome/browser/extensions/api/networking_private/

[..]
  1. networking_private_api.h
  2. networking_private_api_chromeos.cc
  3. networking_private_api_nonchromeos.cc
  4. networking_private_apitest.cc
  5. networking_private_credentials_getter.h
  6. networking_private_credentials_getter_mac.cc
  7. networking_private_credentials_getter_win.cc
  8. networking_private_event_router.h
  9. networking_private_event_router_chromeos.cc
  10. networking_private_event_router_factory.cc
  11. networking_private_event_router_factory.h
  12. networking_private_event_router_nonchromeos.cc
  13. networking_private_service_client.cc
  14. networking_private_service_client.h
  15. networking_private_service_client_factory.cc
  16. networking_private_service_client_factory.h
[..]