1*635a8641SAndroid Build Coastguard Worker // Copyright (c) 2012 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_TIME_DEFAULT_CLOCK_H_ 6*635a8641SAndroid Build Coastguard Worker #define BASE_TIME_DEFAULT_CLOCK_H_ 7*635a8641SAndroid Build Coastguard Worker 8*635a8641SAndroid Build Coastguard Worker #include "base/base_export.h" 9*635a8641SAndroid Build Coastguard Worker #include "base/compiler_specific.h" 10*635a8641SAndroid Build Coastguard Worker #include "base/time/clock.h" 11*635a8641SAndroid Build Coastguard Worker 12*635a8641SAndroid Build Coastguard Worker namespace base { 13*635a8641SAndroid Build Coastguard Worker 14*635a8641SAndroid Build Coastguard Worker // DefaultClock is a Clock implementation that uses Time::Now(). 15*635a8641SAndroid Build Coastguard Worker class BASE_EXPORT DefaultClock : public Clock { 16*635a8641SAndroid Build Coastguard Worker public: 17*635a8641SAndroid Build Coastguard Worker ~DefaultClock() override; 18*635a8641SAndroid Build Coastguard Worker 19*635a8641SAndroid Build Coastguard Worker // Simply returns Time::Now(). 20*635a8641SAndroid Build Coastguard Worker Time Now() const override; 21*635a8641SAndroid Build Coastguard Worker 22*635a8641SAndroid Build Coastguard Worker // Returns a shared instance of DefaultClock. This is thread-safe. 23*635a8641SAndroid Build Coastguard Worker static DefaultClock* GetInstance(); 24*635a8641SAndroid Build Coastguard Worker }; 25*635a8641SAndroid Build Coastguard Worker 26*635a8641SAndroid Build Coastguard Worker } // namespace base 27*635a8641SAndroid Build Coastguard Worker 28*635a8641SAndroid Build Coastguard Worker #endif // BASE_TIME_DEFAULT_CLOCK_H_ 29