1*635a8641SAndroid Build Coastguard Worker // Copyright 2013 The Chromium Authors. All rights reserved. 2*635a8641SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be 3*635a8641SAndroid Build Coastguard Worker // found in the LICENSE file. 4*635a8641SAndroid Build Coastguard Worker 5*635a8641SAndroid Build Coastguard Worker #ifndef BASE_TIMER_ELAPSED_TIMER_H_ 6*635a8641SAndroid Build Coastguard Worker #define BASE_TIMER_ELAPSED_TIMER_H_ 7*635a8641SAndroid Build Coastguard Worker 8*635a8641SAndroid Build Coastguard Worker #include "base/base_export.h" 9*635a8641SAndroid Build Coastguard Worker #include "base/macros.h" 10*635a8641SAndroid Build Coastguard Worker #include "base/time/time.h" 11*635a8641SAndroid Build Coastguard Worker 12*635a8641SAndroid Build Coastguard Worker namespace base { 13*635a8641SAndroid Build Coastguard Worker 14*635a8641SAndroid Build Coastguard Worker // A simple wrapper around TimeTicks::Now(). 15*635a8641SAndroid Build Coastguard Worker class BASE_EXPORT ElapsedTimer { 16*635a8641SAndroid Build Coastguard Worker public: 17*635a8641SAndroid Build Coastguard Worker ElapsedTimer(); 18*635a8641SAndroid Build Coastguard Worker ElapsedTimer(ElapsedTimer&& other); 19*635a8641SAndroid Build Coastguard Worker 20*635a8641SAndroid Build Coastguard Worker void operator=(ElapsedTimer&& other); 21*635a8641SAndroid Build Coastguard Worker 22*635a8641SAndroid Build Coastguard Worker // Returns the time elapsed since object construction. 23*635a8641SAndroid Build Coastguard Worker TimeDelta Elapsed() const; 24*635a8641SAndroid Build Coastguard Worker 25*635a8641SAndroid Build Coastguard Worker private: 26*635a8641SAndroid Build Coastguard Worker TimeTicks begin_; 27*635a8641SAndroid Build Coastguard Worker 28*635a8641SAndroid Build Coastguard Worker DISALLOW_COPY_AND_ASSIGN(ElapsedTimer); 29*635a8641SAndroid Build Coastguard Worker }; 30*635a8641SAndroid Build Coastguard Worker 31*635a8641SAndroid Build Coastguard Worker } // namespace base 32*635a8641SAndroid Build Coastguard Worker 33*635a8641SAndroid Build Coastguard Worker #endif // BASE_TIMER_ELAPSED_TIMER_H_ 34