Template methods on Timer classes instead of the classes themselves.

ui/views/corewm/tooltip_controller.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_VIEWS_COREWM_TOOLTIP_CONTROLLER_H_
 #define UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 72 matching lines @@
   aura::Window* tooltip_window_;
   base::string16 tooltip_text_;
   const void* tooltip_id_;
 
   // These fields are for tracking state when the user presses a mouse button.
   aura::Window* tooltip_window_at_mouse_press_;
   base::string16 tooltip_text_at_mouse_press_;
 
   scoped_ptr<Tooltip> tooltip_;
 
-  base::RepeatingTimer<TooltipController> tooltip_timer_;
+  base::RepeatingTimer tooltip_timer_;
 
   // Timer to timeout the life of an on-screen tooltip. We hide the tooltip when
   // this timer fires.
-  base::OneShotTimer<TooltipController> tooltip_shown_timer_;
+  base::OneShotTimer tooltip_shown_timer_;
 
   // Location of the last event in |tooltip_window_|'s coordinates.
   gfx::Point curr_mouse_loc_;
 
   bool tooltips_enabled_;
 
   std::map<aura::Window*, int> tooltip_shown_timeout_map_;
 
   DISALLOW_COPY_AND_ASSIGN(TooltipController);
 };
 
 }  // namespace corewm
 }  // namespace views
 
 #endif  // UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_H_