return NS_OK; }
if (nsnull != mParent) { mParent->RemoveChild(this); }  if (nsnull != mDocLoader) { mDocLoader->SetContainer(nsnull); }  NS_IF_RELEASE(mContentViewer);
NS_IMETHODIMP nsWebShell::Destroy(){  nsDocShell::Destroy();  SetContainer(nsnull);  return NS_OK;}