SetScreenSaverUpdateCallback  124 chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.cc       connector->GetAppPackUpdater()->SetScreenSaverUpdateCallback(callback);
SetScreenSaverUpdateCallback   58 chrome/browser/chromeos/policy/app_pack_updater.h   void SetScreenSaverUpdateCallback(const ScreenSaverUpdateCallback& callback);