message: Notifier is how singleton is known outside of this module, use this inside
diff: @@ -226,8 +226,8 @@ const Notifier = {
  return false;
  }
  const isGuest = client.isGuest();
  - return !isGuest && Notifier.supportsDesktopNotifications() &&
  - !Notifier.isEnabled() && !Notifier._isToolbarHidden();
  + return !isGuest && this.supportsDesktopNotifications() &&
  + !this.isEnabled() && !this._isToolbarHidden();
  },
  _isToolbarHidden: function() {
  