OnServiceOwnerChangedFilter  910 dbus/bus.cc            AddFilterFunction(Bus::OnServiceOwnerChangedFilter, this);
OnServiceOwnerChangedFilter  988 dbus/bus.cc            RemoveFilterFunction(Bus::OnServiceOwnerChangedFilter, this);
OnServiceOwnerChangedFilter  684 dbus/bus.h       static DBusHandlerResult OnServiceOwnerChangedFilter(