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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef BASE_DEFAULT_CLOCK_H_ |
| 6 #define BASE_DEFAULT_CLOCK_H_ |
| 7 |
| 8 #include "base/base_export.h" |
| 9 #include "base/clock.h" |
| 10 #include "base/compiler_specific.h" |
| 11 |
| 12 namespace base { |
| 13 |
| 14 // DefaultClock is a Clock implementation that uses Time::Now(). |
| 15 class BASE_EXPORT DefaultClock : public Clock { |
| 16 public: |
| 17 virtual ~DefaultClock(); |
| 18 |
| 19 // Simply returns Time::Now(). |
| 20 virtual Time Now() OVERRIDE; |
| 21 |
| 22 // Returns a single lazy-initialized instance of DefaultClock. But |
| 23 // you can create your own DefaultClock object if you wish. |
| 24 static DefaultClock* Get(); |
| 25 }; |
| 26 |
| 27 } // namespace base |
| 28 |
| 29 #endif // BASE_DEFAULT_CLOCK_H_ |
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