nsAppShellService::GetHiddenWindow(nsIWebShellWindow **aWindow)
nsAppShellService::GetHiddenWindow(nsIXULWindow **aWindow)
nsAppShellService::GetHiddenWindow(nsIWebShellWindow **aWindow){  nsIWebShellWindow *rv;  NS_ASSERTION(aWindow, "null param to GetHiddenWindow");  rv = mHiddenWindow;  NS_IF_ADDREF(rv);  *aWindow = rv;  return rv ? NS_OK : NS_ERROR_FAILURE;}