code: function (sLayer, sNameSpace, sFileName, sFileType, sData, sTransportId, sPackageName) {
  			return LRepConnector.saveFile(sLayer, sNameSpace, sFileName, sFileType, sData, sTransportId, sPackageName).then(this._navToDisplayMode.bind(this));
  		}
docs: Send request to back end to saved file.
  After the file has been successfully saved, navigates to "Display" mode of the content.
  @returns {Promise} - <code>LRepConnector</code> "saveFiles" promise
  @private