         }
         let request = URLRequest(url: mobileHTMLURL)
         webView.load(request)
-    }
-    
-    func showWebView() {
-        guard webView.alpha > 0 else {
-            return
-        }
-        let transitionView = leadImageTransitionView
-        leadImageTransitionView = nil
-        UIView.animate(withDuration: 0.2, animations: {
-            self.webView.alpha = 1
-        }) { (finished) in
-            transitionView?.removeFromSuperview()
-        }
     }
     
     func setupToolbar() {

        guard let imageView = imageView, let image = imageView.image else {
            return
        }
        
        let transitionView = UIImageView(frame: leadImageView.frame)
        transitionView.translatesAutoresizingMaskIntoConstraints = false
        transitionView.image = image
        transitionView.layer.contentsRect = imageView.layer.contentsRect
        transitionView.contentMode = imageView.contentMode
        transitionView.clipsToBounds = true
        view.insertSubview(transitionView, aboveSubview: webView)
    
        let top = transitionView.topAnchor.constraint(equalTo: navigationBar.bottomAnchor)
        let leading = transitionView.leadingAnchor.constraint(equalTo: leadImageView.leadingAnchor)
        let trailing = transitionView.trailingAnchor.constraint(equalTo: leadImageView.trailingAnchor)
        let height = transitionView.heightAnchor.constraint(equalToConstant: WebViewControllerHeaderImageHeight)
        NSLayoutConstraint.activate([top, leading, trailing, height])

        leadImageView.image = imageView.image
        leadImageView.layer.contentsRect = imageView.layer.contentsRect
        
        leadImageTransitionView = transitionView
        
        view.layoutIfNeeded()
    }


        containerView.addSubview(borderView)
        return containerView
    }()
        
    func layoutLeadImage() {
        let containerBounds = leadImageContainerView.bounds
//        // TODO: iPad margin handling after ToC is implemented
