code: function _removeDeletedFileFromMRU(e, fullPath) {
          var index,
              compare = function (record) {
                  return (record.file.fullPath === fullPath);
              };
  
          // find and remove all instances
          do {
              index = _.findIndex(_mruList, compare);
              if (index !== -1) {
                  _mruList.splice(index, 1);
              }
          } while (index !== -1);
      }
docs: DocumentManager.pathDeleted Event handler to remove a file
  from the MRU list
  @param {!jQuery.event} e -
  @param {!string} fullPath - path of the file to remove
  @private