root/chrome/browser/ui/gtk/download/

1. download_in_progress_dialog_gtk.cc
2. download_in_progress_dialog_gtk.h
3. download_item_drag.cc
4. download_item_drag.h
5. download_item_gtk.cc
6. download_item_gtk.h
7. download_shelf_context_menu_gtk.cc
8. download_shelf_context_menu_gtk.h
9. download_shelf_gtk.cc
10. download_shelf_gtk.h
11. download_started_animation_gtk.cc