| // 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/default_tick_clock.h" | 
 |  | 
 | #include "base/no_destructor.h" | 
 |  | 
 | namespace base { | 
 |  | 
 | DefaultTickClock::~DefaultTickClock() = default; | 
 |  | 
 | TimeTicks DefaultTickClock::NowTicks() const { | 
 |   return TimeTicks::Now(); | 
 | } | 
 |  | 
 | // static | 
 | const DefaultTickClock* DefaultTickClock::GetInstance() { | 
 |   static const base::NoDestructor<DefaultTickClock> default_tick_clock; | 
 |   return default_tick_clock.get(); | 
 | } | 
 |  | 
 | }  // namespace base |