root/chrome/browser/chromeos/drive/file_system/

1. copy_operation.cc
2. copy_operation.h
3. copy_operation_unittest.cc
4. create_directory_operation.cc
5. create_directory_operation.h
6. create_directory_operation_unittest.cc
7. create_file_operation.cc
8. create_file_operation.h
9. create_file_operation_unittest.cc
10. download_operation.cc
11. download_operation.h
12. download_operation_unittest.cc
13. get_file_for_saving_operation.cc
14. get_file_for_saving_operation.h
15. get_file_for_saving_operation_unittest.cc
16. move_operation.cc
17. move_operation.h
18. move_operation_unittest.cc
19. open_file_operation.cc
20. open_file_operation.h
21. open_file_operation_unittest.cc
22. operation_observer.h
23. operation_test_base.cc
24. operation_test_base.h
25. remove_operation.cc
26. remove_operation.h
27. remove_operation_unittest.cc
28. search_operation.cc
29. search_operation.h
30. search_operation_unittest.cc
31. touch_operation.cc
32. touch_operation.h
33. touch_operation_unittest.cc
34. truncate_operation.cc
35. truncate_operation.h
36. truncate_operation_unittest.cc