DevTools: make web component anchor handling go the generic route.

Source/devtools/front_end/elements/ElementsPanel.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 675 matching lines @@
 
     _metricsPaneEdited: function()
     {
         // Once metrics are edited, the Styles pane should be updated.
         this.sidebarPanes.styles.needsUpdate = true;
         this.updateStyles(true);
     },
 
     _mouseMovedInCrumbs: function(event)
     {
-        var nodeUnderMouse = event.elementFromPoint();
+        var nodeUnderMouse = event.deepElementFromPoint();
         var crumbElement = nodeUnderMouse.enclosingNodeOrSelfWithClass("crumb");
         var node = /** @type {?WebInspector.DOMNode} */ (crumbElement ? crumbElement.representedObject : null);
         if (node)
             node.highlight();
     },
 
     _mouseMovedOutOfCrumbs: function(event)
     {
-        var nodeUnderMouse = event.elementFromPoint();
+        var nodeUnderMouse = event.deepElementFromPoint();
         if (nodeUnderMouse && nodeUnderMouse.isDescendant(this.crumbsElement))
             return;
 
         for (var i = 0; i < this._treeOutlines.length; ++i)
             this._treeOutlines[i].domModel().hideDOMNodeHighlight();
     },
 
     /**
      * @param {boolean=} forceUpdate
      */
@@ skipping 829 matching lines @@
 
 WebInspector.ElementsPanelFactory.prototype = {
     /**
      * @return {!WebInspector.Panel}
      */
     createPanel: function()
     {
         return WebInspector.ElementsPanel.instance();
     }
 }