Refactoring CookiesTreeModel to support multiple data sources.

chrome/browser/resources/options2/cookies_view.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.define('options', function() {
 
   var OptionsPage = options.OptionsPage;
 
   /////////////////////////////////////////////////////////////////////////////
   // CookiesView class:
@@ skipping 104 matching lines @@
   // CookiesViewHandler callbacks.
   CookiesView.onTreeItemAdded = function(args) {
     $('cookies-list').addByParentId(args[0], args[1], args[2]);
   };
 
   CookiesView.onTreeItemRemoved = function(args) {
     $('cookies-list').removeByParentId(args[0], args[1], args[2]);
   };
 
   CookiesView.loadChildren = function(args) {
-    $('cookies-list').loadChildren(args[0], args[1]);
+    // We are at the root of the tree, just load the browser wide cookies.
+    if (args[0] == null) {
+      var browser = null;
+      for (var i = 0; i < args[1].length; ++i) {
+        if (args[1][i])
+            if (args[1][i].appId == '') {
+              browser = args[1][i];
+              break;
+            }
+      }
+      if (browser) {
+        $('cookies-list').rootId = browser.id;
+        chrome.send('loadCookie', [browser.id]);
+      }
+    } else {
+      $('cookies-list').loadChildren(args[0], args[1]);
+    }
   };
 
   // Export
   return {
     CookiesView: CookiesView
   };
 
 });