Template methods on Timer classes instead of the classes themselves.

chrome/browser/jumplist_win.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_JUMPLIST_WIN_H_
 #define CHROME_BROWSER_JUMPLIST_WIN_H_
 
 #include <list>
 #include <string>
 #include <utility>
@@ skipping 152 matching lines @@
 
   // Items in the "Most Visited" category of the application JumpList,
   // protected by the list_lock_.
   ShellLinkItemList most_visited_pages_;
 
   // Items in the "Recently Closed" category of the application JumpList,
   // protected by the list_lock_.
   ShellLinkItemList recently_closed_pages_;
 
   // Timer for requesting delayed updates of the jumplist.
-  base::OneShotTimer<JumpList> timer_;
+  base::OneShotTimer timer_;
 
   // A list of URLs we need to retrieve their favicons,
   // protected by the list_lock_.
   typedef std::pair<std::string, scoped_refptr<ShellLinkItem> > URLPair;
   std::list<URLPair> icon_urls_;
 
   // Id of last favicon task. It's used to cancel current task if a new one
   // comes in before it finishes.
   base::CancelableTaskTracker::TaskId task_id_;
 
   // Lock for most_visited_pages_, recently_closed_pages_, icon_urls_
   // as they may be used by up to 3 threads.
   base::Lock list_lock_;
 
   // For callbacks may be run after destruction.
   base::WeakPtrFactory<JumpList> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(JumpList);
 };
 
 #endif  // CHROME_BROWSER_JUMPLIST_WIN_H_