DevTools: fix author shadow dom inspection mode, speacial-case ua. Fix crash from the bug.

Source/devtools/front_end/DOMAgent.js

 /*
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 1303 matching lines @@
      * @param {!DOMAgent.NodeId} nodeId
      */
     highlightDOMNodeForTwoSeconds: function(nodeId)
     {
         this.highlightDOMNode(nodeId);
         this._hideDOMNodeHighlightTimeout = setTimeout(this.hideDOMNodeHighlight.bind(this), 2000);
     },
 
     /**
      * @param {boolean} enabled
-     * @param {boolean} inspectShadowDOM
+     * @param {boolean} inspectUAShadowDOM
      * @param {function(?Protocol.Error)=} callback
      */
-    setInspectModeEnabled: function(enabled, inspectShadowDOM, callback)
+    setInspectModeEnabled: function(enabled, inspectUAShadowDOM, callback)
     {
         /**
          * @this {WebInspector.DOMAgent}
          */
         function onDocumentAvailable()
         {
-            this._highlighter.setInspectModeEnabled(enabled, inspectShadowDOM, this._buildHighlightConfig(), callback);
+            this._highlighter.setInspectModeEnabled(enabled, inspectUAShadowDOM, this._buildHighlightConfig(), callback);
         }
         this.requestDocument(onDocumentAvailable.bind(this));
     },
 
     /**
      * @param {string=} mode
      * @return {!DOMAgent.HighlightConfig}
      */
     _buildHighlightConfig: function(mode)
     {
@@ skipping 279 matching lines @@
 WebInspector.DOMNodeHighlighter.prototype = {
     /**
      * @param {!DOMAgent.NodeId} nodeId
      * @param {!DOMAgent.HighlightConfig} config
      * @param {!RuntimeAgent.RemoteObjectId=} objectId
      */
     highlightDOMNode: function(nodeId, config, objectId) {},
 
     /**
      * @param {boolean} enabled
-     * @param {boolean} inspectShadowDOM
+     * @param {boolean} inspectUAShadowDOM
      * @param {!DOMAgent.HighlightConfig} config
      * @param {function(?Protocol.Error)=} callback
      */
-    setInspectModeEnabled: function(enabled, inspectShadowDOM, config, callback) {}
+    setInspectModeEnabled: function(enabled, inspectUAShadowDOM, config, callback) {}
 }
 
 /**
  * @constructor
  * @implements {WebInspector.DOMNodeHighlighter}
  */
 WebInspector.DefaultDOMNodeHighlighter = function() {
 }
 
 WebInspector.DefaultDOMNodeHighlighter.prototype = {
     /**
      * @param {!DOMAgent.NodeId} nodeId
      * @param {!DOMAgent.HighlightConfig} config
      * @param {!RuntimeAgent.RemoteObjectId=} objectId
      */
     highlightDOMNode: function(nodeId, config, objectId)
     {
         if (objectId || nodeId)
             DOMAgent.highlightNode(config, objectId ? undefined : nodeId, objectId);
         else
             DOMAgent.hideHighlight();
     },
 
     /**
      * @param {boolean} enabled
-     * @param {boolean} inspectShadowDOM
+     * @param {boolean} inspectUAShadowDOM
      * @param {!DOMAgent.HighlightConfig} config
      * @param {function(?Protocol.Error)=} callback
      */
-    setInspectModeEnabled: function(enabled, inspectShadowDOM, config, callback)
+    setInspectModeEnabled: function(enabled, inspectUAShadowDOM, config, callback)
     {
-        DOMAgent.setInspectModeEnabled(enabled, inspectShadowDOM, config, callback);
+        DOMAgent.setInspectModeEnabled(enabled, inspectUAShadowDOM, config, callback);
     }
 }
 
 /**
  * @type {!WebInspector.DOMAgent}
  */
 WebInspector.domAgent;