Template methods on Timer classes instead of the classes themselves.

ui/app_list/views/app_list_item_view.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 UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_
 #define UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 153 matching lines @@
   bool touch_dragging_;
 
   ImageShadowAnimator shadow_animator_;
 
   bool is_installing_;
   bool is_highlighted_;
 
   base::string16 tooltip_text_;
 
   // A timer to defer showing drag UI when mouse is pressed.
-  base::OneShotTimer<AppListItemView> mouse_drag_timer_;
+  base::OneShotTimer mouse_drag_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListItemView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_