             (hwc as! HeliumPanelController).documentViewDidLoad()
         }
         
-        if let tag = trackingTag {
-            view.removeTrackingRect(tag)
-        }
-
         if videoFileReferencedURL {
             let newSize = webView.bounds.size
             let aspect = webSize.height / webSize.width

    }
    
    var appDelegate: AppDelegate = NSApp.delegate as! AppDelegate

    override func viewDidLayout() {
        super.viewDidLayout()


                    // Remember for later restoration
                    if let doc = self.view.window?.windowController?.document {
                        self.view.window?.representedURL = url
                        (doc as! Document).updateURL(to: url, ofType: "Any")
                        
                        let notif = Notification(name: Notification.Name(rawValue: "HeliumDidUpdateURL"), object: url);
                        NotificationCenter.default.post(notif)
