1*6777b538SAndroid Build Coastguard Worker // Copyright 2012 The Chromium Authors 2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be 3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file. 4*6777b538SAndroid Build Coastguard Worker 5*6777b538SAndroid Build Coastguard Worker #ifndef BASE_TIME_DEFAULT_CLOCK_H_ 6*6777b538SAndroid Build Coastguard Worker #define BASE_TIME_DEFAULT_CLOCK_H_ 7*6777b538SAndroid Build Coastguard Worker 8*6777b538SAndroid Build Coastguard Worker #include "base/base_export.h" 9*6777b538SAndroid Build Coastguard Worker #include "base/compiler_specific.h" 10*6777b538SAndroid Build Coastguard Worker #include "base/time/clock.h" 11*6777b538SAndroid Build Coastguard Worker 12*6777b538SAndroid Build Coastguard Worker namespace base { 13*6777b538SAndroid Build Coastguard Worker 14*6777b538SAndroid Build Coastguard Worker // DefaultClock is a Clock implementation that uses Time::Now(). 15*6777b538SAndroid Build Coastguard Worker class BASE_EXPORT DefaultClock : public Clock { 16*6777b538SAndroid Build Coastguard Worker public: 17*6777b538SAndroid Build Coastguard Worker ~DefaultClock() override; 18*6777b538SAndroid Build Coastguard Worker 19*6777b538SAndroid Build Coastguard Worker // Simply returns Time::Now(). 20*6777b538SAndroid Build Coastguard Worker Time Now() const override; 21*6777b538SAndroid Build Coastguard Worker 22*6777b538SAndroid Build Coastguard Worker // Returns a shared instance of DefaultClock. This is thread-safe. 23*6777b538SAndroid Build Coastguard Worker static DefaultClock* GetInstance(); 24*6777b538SAndroid Build Coastguard Worker }; 25*6777b538SAndroid Build Coastguard Worker 26*6777b538SAndroid Build Coastguard Worker } // namespace base 27*6777b538SAndroid Build Coastguard Worker 28*6777b538SAndroid Build Coastguard Worker #endif // BASE_TIME_DEFAULT_CLOCK_H_ 29