     }
 }
 
-// MARK: - UIAlertViewDelegate
-extension DLWebView: UIAlertViewDelegate {
-    
-    public func alertView(_ alertView: UIAlertView, didDismissWithButtonIndex buttonIndex: Int) {
-        if alertView == externalAppPermissionAlertView {
-            if buttonIndex != alertView.cancelButtonIndex {
-                UIApplication.shared.openURL(urlToLaunchWithPermission!)
-            }
-            urlToLaunchWithPermission = nil
-        }
-    }
-}
-
 // FIXME: HTTPS request with self-signed certificate
 // MARK: - NSURLConnectionDataDelegate
 extension DLWebView: NSURLConnectionDataDelegate {

    private var _sharedCookiesInjection = false
    
    private let validSchemes = Set<String>(["http", "https", "tel", "file"])
    fileprivate var urlToLaunchWithPermission: URL?
    
    public convenience init(sharedCookiesInjection: Bool = false) {
        let webViewConfig = WKWebViewConfiguration()

    }
    
    fileprivate func launchExternalApp(url: URL) {
        let alertController = UIAlertController(title: "Leave current app?", message: "This web page is trying to open an outside app. Are you sure you want to open it?", preferredStyle: .alert)
        let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: nil)
        alertController.addAction(cancelAction)
        let openAction = UIAlertAction(title: "Open App", style: .default) { (action) in
            if #available(iOS 10.0, *) {
                UIApplication.shared.open(url)
            } else {
                UIApplication.shared.openURL(url)
            }
        }
        alertController.addAction(openAction)
        UIApplication.shared.keyWindow?.rootViewController?.present(alertController, animated: true)
    }
}

