Someone

nsGlobalWindow::Redraw(){  nsresult rv;  usleep(500000);  nsCOMPtr<nsIDocShell> docShell = GetDocShellInternal();  if (!docShell)    return NS_ERROR_FAILURE;  nsCOMPtr<nsIPresShell> presShell;  rv = docShell->GetPresShell(getter_AddRefs(presShell));  if (!presShell || NS_FAILED(rv))    return NS_ERROR_FAILURE;  nsIFrame *rootFrame = presShell->GetRootFrame();  if (!rootFrame)    return NS_ERROR_FAILURE;  nsRect r = rootFrame->GetRect();  r.x = r.y = 0;  rootFrame->Invalidate(r, PR_TRUE);  presShell->GetDocument()->FlushPendingNotifications(Flush_Display);  return NS_OK;}