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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 #include "cc/scheduler/delay_based_time_source.h" | 5 #include "cc/scheduler/delay_based_time_source.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <cmath> | 8 #include <cmath> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/bind.h" | 11 #include "base/bind.h" |
| 12 #include "base/debug/trace_event.h" | |
| 13 #include "base/debug/trace_event_argument.h" | |
| 14 #include "base/location.h" | 12 #include "base/location.h" |
| 15 #include "base/logging.h" | 13 #include "base/logging.h" |
| 16 #include "base/single_thread_task_runner.h" | 14 #include "base/single_thread_task_runner.h" |
| 15 #include "base/trace_event/trace_event.h" |
| 16 #include "base/trace_event/trace_event_argument.h" |
| 17 | 17 |
| 18 namespace cc { | 18 namespace cc { |
| 19 | 19 |
| 20 namespace { | 20 namespace { |
| 21 | 21 |
| 22 // kDoubleTickDivisor prevents ticks from running within the specified | 22 // kDoubleTickDivisor prevents ticks from running within the specified |
| 23 // fraction of an interval. This helps account for jitter in the timebase as | 23 // fraction of an interval. This helps account for jitter in the timebase as |
| 24 // well as quick timer reactivation. | 24 // well as quick timer reactivation. |
| 25 static const int kDoubleTickDivisor = 2; | 25 static const int kDoubleTickDivisor = 2; |
| 26 | 26 |
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| 305 state->BeginDictionary("next_parameters"); | 305 state->BeginDictionary("next_parameters"); |
| 306 state->SetDouble("interval_us", next_parameters_.interval.InMicroseconds()); | 306 state->SetDouble("interval_us", next_parameters_.interval.InMicroseconds()); |
| 307 state->SetDouble("tick_target_us", | 307 state->SetDouble("tick_target_us", |
| 308 next_parameters_.tick_target.ToInternalValue()); | 308 next_parameters_.tick_target.ToInternalValue()); |
| 309 state->EndDictionary(); | 309 state->EndDictionary(); |
| 310 | 310 |
| 311 state->SetBoolean("active", active_); | 311 state->SetBoolean("active", active_); |
| 312 } | 312 } |
| 313 | 313 |
| 314 } // namespace cc | 314 } // namespace cc |
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