anchor.diff:  
     void _setMessageAndShow() {
       if (_resources.length == 1) {
  -      _dialogElement.querySelector("#message").text =
  +      _dialog.element.querySelector("#message").text =
             "Are you sure you want to delete '${_resources.first.name}'?";
       } else {
  -      _dialogElement.querySelector("#message").text =
  +      _dialog.element.querySelector("#message").text =
             "Are you sure you want to delete ${_resources.length} files?";
       }
       _dialog.show();
  
positive.code: 
    void _commit() {
      // TODO(grv): add verify checks.
      String projectName = (_dialogElement.querySelector(
          "#gitProjectName") as InputElement).value;
      String repoUrl = (_dialogElement.querySelector(
          "#gitRepoUrl") as InputElement).value;
      _gitClone(projectName, repoUrl, spark);
    }
  
negative.code:             .setTrackingPermitted(checkbox.checked);
        });
  
        _dialog.element.querySelector('#aboutVersion').text = spark.appVersion;
  
        _initialized = true;
      }
  