anchor.diff:  
         if (children.any((ws.Resource r) => r.name == newName)) {
           spark.showErrorMessage(
  -            'Error During Rename', message: 'File or folder already exists.');
  +            'Error during rename', message: 'File or folder already exists.');
           return;
         }
         resource.rename(_nameElement.value).then((value) {
           spark._renameOpenEditor(resource);
         }).catchError((e) {
  -        spark.showErrorMessage("Error During Rename", exception: e);
  +        spark.showErrorMessage("Error during rename", exception: e);
         });
       }
     }
  
positive.code:             code: SparkStatusCodes.SPARK_JOB_GIT_PULL_SUCCESS);
        }).catchError((e) {
          e = SparkException.fromException(e);
          spark.showErrorMessage('Git Pull Status', exception: e);
        });
      });
    }
  
negative.code: 
      if (deployContainer == null) {
        spark.showErrorMessage(
            'Unable to deploy',
            message: 'Unable to deploy the current selection; '
                     'please select a Chrome App to deploy.');
      } else if (!MobileDeploy.isAvailable()) {
        spark.showErrorMessage(
            'Unable to deploy', message: 'No USB devices available.');
      } else {
        _restoreDialog();
        _show();
  