Use GUID instead of servicePath in network settings

chrome/browser/resources/options/chromeos/preferred_networks.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.exportPath('options');
 
 /**
- * @typedef {{Name: string, Type: string, servicePath: string}}
+ * @typedef {{Name: string, Type: string, GUID: string}}
  */
 options.PreferredNetwork;
 
 cr.define('options', function() {
 
   var Page = cr.ui.pageManager.Page;
   var PageManager = cr.ui.pageManager.PageManager;
   var ArrayDataModel = cr.ui.ArrayDataModel;
   var DeletableItem = options.DeletableItem;
   var DeletableItemList = options.DeletableItemList;
@@ skipping 102 matching lines @@
     createItem: function(entry) {
       return new PreferredNetworkListItem(entry);
     },
 
     /** @override */
     deleteItemAtIndex: function(index) {
       var item = this.dataModel.item(index);
       if (item) {
         // TODO(stevenjb): Add removeNetwork to chrome.networkingPrivate and
         // use that here.
-        chrome.send('removeNetwork', [item.servicePath]);
+        chrome.send('removeNetwork', [item.GUID]);
       }
       this.dataModel.splice(index, 1);
       // Invalidate the list since it has a stale cache after a splice
       // involving a deletion.
       this.invalidate();
       this.redraw();
     },
 
     /**
      * Purges all networks from the list.
@@ skipping 11 matching lines @@
       this.dataModel.push(data);
     }
   };
 
   // Export
   return {
     PreferredNetworks: PreferredNetworks
   };
 
 });