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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_ | 5 #ifndef CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_ |
6 #define CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_ | 6 #define CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
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88 bool active_; | 88 bool active_; |
89 | 89 |
90 base::SingleThreadTaskRunner* task_runner_; | 90 base::SingleThreadTaskRunner* task_runner_; |
91 base::WeakPtrFactory<DelayBasedTimeSource> weak_factory_; | 91 base::WeakPtrFactory<DelayBasedTimeSource> weak_factory_; |
92 | 92 |
93 private: | 93 private: |
94 friend class base::RefCounted<DelayBasedTimeSource>; | 94 friend class base::RefCounted<DelayBasedTimeSource>; |
95 DISALLOW_COPY_AND_ASSIGN(DelayBasedTimeSource); | 95 DISALLOW_COPY_AND_ASSIGN(DelayBasedTimeSource); |
96 }; | 96 }; |
97 | 97 |
98 // DelayBasedTimeSource uses base::TimeTicks::HighResNow as its timebase. | 98 // DelayBasedTimeSource that once used base::TimeTicks::HighResNow as its time |
| 99 // source, but is now a no-op. |
| 100 // TODO(brianderson): Remove along with gfx::/FrameTime.http://crbug.com/447329 |
99 class DelayBasedTimeSourceHighRes : public DelayBasedTimeSource { | 101 class DelayBasedTimeSourceHighRes : public DelayBasedTimeSource { |
100 public: | 102 public: |
101 static scoped_refptr<DelayBasedTimeSourceHighRes> Create( | 103 static scoped_refptr<DelayBasedTimeSourceHighRes> Create( |
102 base::TimeDelta interval, base::SingleThreadTaskRunner* task_runner); | 104 base::TimeDelta interval, base::SingleThreadTaskRunner* task_runner); |
103 | 105 |
104 base::TimeTicks Now() const override; | 106 base::TimeTicks Now() const override; |
105 | 107 |
106 protected: | 108 protected: |
107 DelayBasedTimeSourceHighRes(base::TimeDelta interval, | 109 DelayBasedTimeSourceHighRes(base::TimeDelta interval, |
108 base::SingleThreadTaskRunner* task_runner); | 110 base::SingleThreadTaskRunner* task_runner); |
109 ~DelayBasedTimeSourceHighRes() override; | 111 ~DelayBasedTimeSourceHighRes() override; |
110 | 112 |
111 std::string TypeString() const override; | 113 std::string TypeString() const override; |
112 | 114 |
113 private: | 115 private: |
114 DISALLOW_COPY_AND_ASSIGN(DelayBasedTimeSourceHighRes); | 116 DISALLOW_COPY_AND_ASSIGN(DelayBasedTimeSourceHighRes); |
115 }; | 117 }; |
116 | 118 |
117 } // namespace cc | 119 } // namespace cc |
118 | 120 |
119 #endif // CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_ | 121 #endif // CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_ |
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