mWebShell->Destroy();
nsHTMLFrameInnerFrame::~nsHTMLFrameInnerFrame(){  //printf("nsHTMLFrameInnerFrame destructor %X \n", this);  if (nsnull != mWebShell) {//XXX Let mWebShell's parent destroy it because now may not be a good time//    mWebShell->Destroy();    NS_RELEASE(mWebShell);  }  NS_RELEASE(mTempObserver);}