void OnOpenExternal(const GURL& escaped_url, bool allowed) {
  if (allowed) {
    platform_util::OpenExternal(
        escaped_url, platform_util::OpenExternalOptions(), base::DoNothing());
  }
}
void OnOpenExternal(const GURL& escaped_url, bool allowed) {
  if (allowed) {
    platform_util::OpenExternal(
        escaped_url, platform_util::OpenExternalOptions(), base::DoNothing());
  }
}