Template methods on Timer classes instead of the classes themselves.

chrome/browser/sessions/tab_loader.h

 // Copyright 2015 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_SESSIONS_TAB_LOADER_H_
 #define CHROME_BROWSER_SESSIONS_TAB_LOADER_H_
 
 #include <list>
 #include <set>
 
@@ skipping 111 matching lines @@
   // True if the tab loading is enabled.
   bool loading_enabled_;
 
   // The set of tabs we've initiated loading on. This does NOT include the
   // selected tabs.
   TabsLoading tabs_loading_;
 
   // The tabs we need to load.
   TabsToLoad tabs_to_load_;
 
-  base::OneShotTimer<TabLoader> force_load_timer_;
+  base::OneShotTimer force_load_timer_;
 
   // The time the restore process started.
   base::TimeTicks restore_started_;
 
   // For keeping TabLoader alive while it's loading even if no
   // SessionRestoreImpls reference it.
   scoped_refptr<TabLoader> this_retainer_;
 
   // The SessionRestoreStatsCollector associated with this TabLoader. This is
   // explicitly referenced so that it can be notified of deferred tab loads due
   // to memory pressure.
   scoped_refptr<SessionRestoreStatsCollector> stats_collector_;
 
   static TabLoader* shared_tab_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(TabLoader);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_TAB_LOADER_H_