root/chrome/browser/metrics/variations/

1. variations_http_header_provider.cc
2. variations_http_header_provider.h
3. variations_http_header_provider_unittest.cc
4. variations_registry_syncer_win.cc
5. variations_registry_syncer_win.h
6. variations_request_scheduler.cc
7. variations_request_scheduler.h
8. variations_request_scheduler_mobile.cc
9. variations_request_scheduler_mobile.h
10. variations_request_scheduler_mobile_unittest.cc
11. variations_request_scheduler_unittest.cc
12. variations_seed_store.cc
13. variations_seed_store.h
14. variations_seed_store_unittest.cc
15. variations_service.cc
16. variations_service.h
17. variations_service_unittest.cc