| // Copyright 2013 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/timer/elapsed_timer.h" | 
 |  | 
 | namespace base { | 
 |  | 
 | ElapsedTimer::ElapsedTimer() { | 
 |   begin_ = TimeTicks::Now(); | 
 | } | 
 |  | 
 | ElapsedTimer::ElapsedTimer(ElapsedTimer&& other) { | 
 |   begin_ = other.begin_; | 
 | } | 
 |  | 
 | void ElapsedTimer::operator=(ElapsedTimer&& other) { | 
 |   begin_ = other.begin_; | 
 | } | 
 |  | 
 | TimeDelta ElapsedTimer::Elapsed() const { | 
 |   return TimeTicks::Now() - begin_; | 
 | } | 
 |  | 
 | }  // namespace base |