Revert cross-origin auth prompt blocking.
BUG=174129

Review URL: https://chromiumcodereview.appspot.com/12183030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@181113 0039d316-1c4b-4281-b951-d872f2087c98
void LoginPromptBrowserTestObserver::Register(
    const content::NotificationSource& source) {
  registrar_.Add(this, chrome::NOTIFICATION_AUTH_NEEDED, source);
  registrar_.Add(this, chrome::NOTIFICATION_AUTH_SUPPLIED, source);
  registrar_.Add(this, chrome::NOTIFICATION_AUTH_CANCELLED, source);
}

void LoginPromptBrowserTestObserver::Register(
    const content::NotificationSource& source) {
  registrar_.Add(this, chrome::NOTIFICATION_AUTH_NEEDED, source);
  registrar_.Add(this, chrome::NOTIFICATION_AUTH_SUPPLIED, source);
  registrar_.Add(this, chrome::NOTIFICATION_AUTH_CANCELLED, source);
}
