Template methods on Timer classes instead of the classes themselves.

chrome/browser/ui/panels/panel_mouse_watcher_timer.cc

 // 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.
 
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/ui/panels/panel_mouse_watcher.h"
 #include "ui/gfx/screen.h"
 
 // A timer based implementation of PanelMouseWatcher.  Currently used for Gtk
 // and Mac panels implementations.
 class PanelMouseWatcherTimer : public PanelMouseWatcher {
  public:
   PanelMouseWatcherTimer();
   ~PanelMouseWatcherTimer() override;
 
  private:
   void Start() override;
   void Stop() override;
   bool IsActive() const override;
   gfx::Point GetMousePosition() const override;
 
   // Specifies the rate at which we want to sample the mouse position.
   static const int kMousePollingIntervalMs = 250;
 
   // Timer callback function.
   void DoWork();
-  friend class base::RepeatingTimer<PanelMouseWatcherTimer>;
+  friend class base::RepeatingTimer;
 
   // Timer used to track mouse movements. Some OSes do not provide an easy way
   // of tracking mouse movements across applications.  So we use a timer to
   // accomplish the same.  This could also be more efficient as you end up
   // getting a lot of notifications when tracking mouse movements.
-  base::RepeatingTimer<PanelMouseWatcherTimer> timer_;
+  base::RepeatingTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(PanelMouseWatcherTimer);
 };
 
 // static
 PanelMouseWatcher* PanelMouseWatcher::Create() {
   return new PanelMouseWatcherTimer();
 }
 
 PanelMouseWatcherTimer::PanelMouseWatcherTimer() {
@@ skipping 20 matching lines @@
 }
 
 gfx::Point PanelMouseWatcherTimer::GetMousePosition() const {
   // TODO(scottmg): NativeScreen is wrong. http://crbug.com/133312
   return gfx::Screen::GetNativeScreen()->GetCursorScreenPoint();
 }
 
 void PanelMouseWatcherTimer::DoWork() {
   NotifyMouseMovement(GetMousePosition());
 }