code: function markForDisabling(id, mark) {
          if (mark) {
              _idsToDisable[id] = true;
          } else {
              delete _idsToDisable[id];
          }
          exports.trigger("statusChange", id);
      }
docs: Marks an extension for disabling later, or unmarks an extension previously marked.
  
  @param {string} id The id of the extension
  @param {boolean} mark Whether to mark or unmark the extension.