OnVolumeUnmounted  860 chrome/browser/chromeos/extensions/file_manager/event_router.cc void EventRouter::OnVolumeUnmounted(chromeos::MountError error_code,
OnVolumeUnmounted  104 chrome/browser/chromeos/file_manager/volume_manager_unittest.cc   virtual void OnVolumeUnmounted(chromeos::MountError error_code,