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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_DEFAULT_TICK_CLOCK_H_ | 5 #ifndef BASE_DEFAULT_TICK_CLOCK_H_ |
6 #define BASE_DEFAULT_TICK_CLOCK_H_ | 6 #define BASE_DEFAULT_TICK_CLOCK_H_ |
7 | 7 |
8 #include "base/base_export.h" | 8 #include "base/base_export.h" |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "base/time/tick_clock.h" | 10 #include "base/time/tick_clock.h" |
| 11 #include "base/time/time.h" |
11 | 12 |
12 namespace base { | 13 namespace base { |
13 | 14 |
14 // DefaultClock is a Clock implementation that uses TimeTicks::Now(). | 15 // DefaultClock is a Clock implementation that uses TimeTicks::Now(). |
15 class BASE_EXPORT DefaultTickClock : public TickClock { | 16 class BASE_EXPORT DefaultTickClock : public TickClock { |
16 public: | 17 public: |
17 virtual ~DefaultTickClock(); | 18 virtual ~DefaultTickClock(); |
18 | 19 |
19 // Simply returns TimeTicks::Now(). | 20 // Simply returns TimeTicks::Now(). |
20 virtual TimeTicks NowTicks() OVERRIDE; | 21 virtual TimeTicks NowTicks() OVERRIDE; |
21 }; | 22 }; |
22 | 23 |
23 } // namespace base | 24 } // namespace base |
24 | 25 |
25 #endif // BASE_DEFAULT_CLOCK_H_ | 26 #endif // BASE_DEFAULT_CLOCK_H_ |
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