Show closed/open shadow root in inspector

Source/devtools/front_end/elements/ElementsTreeElement.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 73 matching lines @@
 {
     var roots = node.shadowRoots();
     if (roots.length && !WebInspector.moduleSetting("showUAShadowDOM").get())
         roots = roots.filter(filter);
 
     /**
      * @param {!WebInspector.DOMNode} root
      */
     function filter(root)
     {
-        return root.shadowRootType() === WebInspector.DOMNode.ShadowRootTypes.Author;
+        return root.shadowRootType() !== WebInspector.DOMNode.ShadowRootTypes.UserAgent;
     }
     return roots;
 }
 
 /**
  * @param {!WebInspector.DOMNode} node
  * @return {boolean}
  */
 WebInspector.ElementsTreeElement.canShowInlineText = function(node)
 {
@@ skipping 1475 matching lines @@
 
             if (object)
                 object.callFunction(scrollIntoView);
         }
 
         this._node.resolveToObject("", scrollIntoViewCallback);
     },
 
     __proto__: TreeElement.prototype
 }