Part 2 of base::IDMap refactor to eliminate IDMapOwnPointer/IDMapExternalPointer modes

chrome/browser/ui/webui/cookies_tree_model_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_COOKIES_TREE_MODEL_UTIL_H_
 #define CHROME_BROWSER_UI_WEBUI_COOKIES_TREE_MODEL_UTIL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 37 matching lines @@
   // is not valid.
   const CookieTreeNode* GetTreeNodeFromPath(const CookieTreeNode* root,
                                             const std::string& path);
 
   // Gets tree node from |title| under |root|. |title| is a node title. Return
   // NULL if |title| is not found.
   const CookieTreeNode* GetTreeNodeFromTitle(const CookieTreeNode* root,
                                              const base::string16& title);
 
  private:
-  typedef IDMap<const CookieTreeNode> CookiesTreeNodeIdMap;
-  typedef std::map<const CookieTreeNode*, int32_t> CookieTreeNodeMap;
+  using CookiesTreeNodeIdMap = IDMap<const CookieTreeNode*>;
+  using CookieTreeNodeMap = std::map<const CookieTreeNode*, int32_t>;
 
   // Populate given |dict| with cookie tree node properties. |id_map| maps
   // a CookieTreeNode to an ID and creates a new ID if |node| is not in the
   // maps. Returns false if the |node| does not need to be shown.
   bool GetCookieTreeNodeDictionary(const CookieTreeNode& node,
                                    bool include_quota_nodes,
                                    base::DictionaryValue* dict);
 
   // IDMap to create unique ID and look up the object for an ID.
   CookiesTreeNodeIdMap id_map_;
 
   // Reverse look up map to find the ID for a node.
   CookieTreeNodeMap node_map_;
 
   DISALLOW_COPY_AND_ASSIGN(CookiesTreeModelUtil);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_COOKIES_TREE_MODEL_UTIL_H_