root/chrome/browser/extensions/api/messaging/

1. extension_message_port.cc
2. extension_message_port.h
3. incognito_connectability.cc
4. incognito_connectability.h
5. message_property_provider.cc
6. message_property_provider.h
7. message_service.cc
8. message_service.h
9. native_message_port.cc
10. native_message_port.h
11. native_message_process_host.cc
12. native_message_process_host.h
13. native_message_process_host_unittest.cc
14. native_messaging_apitest.cc
15. native_messaging_host_manifest.cc
16. native_messaging_host_manifest.h
17. native_messaging_host_manifest_unittest.cc
18. native_messaging_policy_handler.cc
19. native_messaging_policy_handler.h
20. native_messaging_policy_handler_unittest.cc
21. native_messaging_test_util.cc
22. native_messaging_test_util.h
23. native_process_launcher.cc
24. native_process_launcher.h
25. native_process_launcher_posix.cc
26. native_process_launcher_win.cc