message: Checked if disabled before navigating history
  Consistent with other addHistory calls
diff: @@ -23,8 +23,8 @@ class MobileHistoryManager extends HTML5HistoryManager {
  if (typeof document !== 'undefined' && state.title)
  document.title = state.title;
  }
  - if (distance < 0)
  - history.go(distance);
  + if (!this.disabled && distance < 0)
  + window.history.go(distance);
  }
  if (distance >= 0)
  super.addHistory(url, replace);
  