virtual void Notify(nsITimer *timer)
NS_IMETHOD_(void) Notify(nsITimer *timer)
  virtual void Notify(nsITimer *timer)  {    if (mSelection && mPresContext && mFrame)    {      mRangeList->HandleDrag(mPresContext, mFrame, mPoint);      mSelection->DoAutoScroll(mPresContext, mFrame, mPoint);    }  }