NS_IMETHODIMP nsView :: GetZParent(nsIView *&aZParent) const { aZParent = mZParent; return NS_OK; }
nsZPlaceholderView* GetZParent() const { return mZParent; }
NS_IMETHODIMP nsView :: GetZParent(nsIView *&aZParent) const{  aZParent = mZParent;  return NS_OK;}