anchor.diff:      });
       _connection = await chromeTab.connect();
       _connection.onClose.listen((WipConnection connection) {
  -      appFinished();
  +      exit();
       });
   
       // We don't support the debugging proxy yet.
  
positive.code:       fire + terminal.bolden(rawMessage),
        TerminalColor.red,
      );
      printStatus(message);
      const String quitMessage = 'To quit, press "q".';
      printStatus('For a more detailed help message, press "h". $quitMessage');
  
negative.code:   Future<void> cleanupAfterSignal() async {
      await _connection.sendCommand('Browser.close');
      _connection = null;
      await _server?.dispose();
    }
  
    @override
    Future<void> cleanupAtFinish() async {
      await _connection?.sendCommand('Browser.close');
      _connection = null;
      await _server?.dispose();
    }
  
    @override
  