REBOOT_REASON_OS_UPDATE   94 chrome/browser/chromeos/app_mode/kiosk_app_update_service.cc     case REBOOT_REASON_OS_UPDATE:
REBOOT_REASON_OS_UPDATE  343 chrome/browser/chromeos/system/automatic_reboot_manager.cc     reboot_reason = AutomaticRebootManagerObserver::REBOOT_REASON_OS_UPDATE;