anchor.diff:        _userNameElement.value = '';
         _userEmailElement.value = '';
         _gitChangeElement.text = '';
  +      _gitChangeElement.style.display = 'none';
   
         _addGitStatus();
   
  
positive.code:   TextAreaElement _commitMessageElement;
    InputElement _userNameElement;
    InputElement _userEmailElement;
    DivElement _gitStatusElement;
    DivElement _gitChangeElement;
    bool _needsFillNameEmail;
    String _gitName;
  
negative.code:       _gitStatusElement.text =
            '$modifiedCnt ${(modifiedCnt > 1) ? 'files' : 'file'} modified, ' +
            '$addedCnt ${(addedCnt > 1) ? 'files' : 'file'} added.';
      // TODO(sunglim): show the count of deletetd files.
      }
    }
  