root/chrome/browser/extensions/api/idle/

1. idle_api.cc
2. idle_api.h
3. idle_api_constants.cc
4. idle_api_constants.h
5. idle_api_unittest.cc
6. idle_apitest.cc
7. idle_manager.cc
8. idle_manager.h
9. idle_manager_factory.cc
10. idle_manager_factory.h