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
  WindowedLoadStopObserver(NavigationController* controller,
                           int notification_count)
      : WindowedNavigationObserver<content::NOTIFICATION_LOAD_STOP>(controller),
        remaining_notification_count_(notification_count) {}

  WindowedLoadStopObserver(NavigationController* controller,
                           int notification_count)
      : WindowedNavigationObserver<content::NOTIFICATION_LOAD_STOP>(controller),
        remaining_notification_count_(notification_count) {}
