|  | // 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_ = TicksNow(); | 
|  | } | 
|  |  | 
|  | ElapsedTimer::ElapsedTimer(ElapsedTimer&& other) { | 
|  | begin_ = other.begin_; | 
|  | } | 
|  |  | 
|  | void ElapsedTimer::operator=(ElapsedTimer&& other) { | 
|  | begin_ = other.begin_; | 
|  | } | 
|  |  | 
|  | TickDelta ElapsedTimer::Elapsed() const { | 
|  | return TicksDelta(TicksNow(), begin_); | 
|  | } | 
|  |  | 
|  | }  // namespace base |