anchor.diff:  
     void _clearOutput() {
       _output.text = '';
  -    _output.add(new DivElement()
  -      ..classes.add('consoleTitle'));
  +    _output.add(new DivElement()..classes.add('consoleTitle'));
     }
   
     void _showOuput(String message, {bool error: false}) {
  
positive.code:     Lines lines = new Lines(input.source);
  
      Future<AnalysisResults> request =
          dartServices.analyze(input).timeout(serviceCallTimeout);;
  
      _analysisRequest = request;
  
  
negative.code:     } else {
        _resetToast = new PaperToast();
      }
      _resetToast.duration = 3000;
    }
  
    void registerMessageDialog() {
      if ($("#messageDialog") != null) {
  