root/chrome/browser/ui/gtk/panels/

1. display_settings_provider_gtk.cc
2. panel_drag_gtk.cc
3. panel_drag_gtk.h
4. panel_gtk.cc
5. panel_gtk.h
6. panel_stack_window_gtk.cc
7. panel_stack_window_gtk.h
8. panel_titlebar_gtk.cc
9. panel_titlebar_gtk.h