root/chrome/browser/sync/test/integration/performance/

[..]
  1. autofill_sync_perf_test.cc
  2. bookmarks_sync_perf_test.cc
  3. dictionary_sync_perf_test.cc
  4. extensions_sync_perf_test.cc
  5. passwords_sync_perf_test.cc
  6. sessions_sync_perf_test.cc
  7. sync_timing_helper.cc
  8. sync_timing_helper.h
  9. typed_urls_sync_perf_test.cc
[..]