text: // 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/test/simple_test_tick_clock.h"
  
  #include "base/logging.h"
  
  namespace base {
  
  SimpleTestTickClock::SimpleTestTickClock() = default;
  
  SimpleTestTickClock::~SimpleTestTickClock() = default;
  
  TimeTicks SimpleTestTickClock::NowTicks() {
    AutoLock lock(lock_);
    return now_ticks_;
  }
  
  void SimpleTestTickClock::Advance(TimeDelta delta) {
    AutoLock lock(lock_);
    DCHECK(delta >= TimeDelta());
    now_ticks_ += delta;
  }
  
  void SimpleTestTickClock::SetNowTicks(TimeTicks ticks) {
    AutoLock lock(lock_);
    now_ticks_ = ticks;
  }
  
  }  // namespace base
  