root/chrome/browser/ui/webui/performance_monitor/

1. performance_monitor_handler.cc
2. performance_monitor_handler.h
3. performance_monitor_l10n.cc
4. performance_monitor_l10n.h
5. performance_monitor_ui.cc
6. performance_monitor_ui.h
7. performance_monitor_ui_constants.cc
8. performance_monitor_ui_constants.h
9. performance_monitor_ui_util.cc
10. performance_monitor_ui_util.h
11. performance_monitor_ui_util_unittest.cc