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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 COMPONENTS_MEMORY_PRESSURE_DIRECT_MEMORY_PRESSURE_CALCULATOR_H_ | 5 #ifndef COMPONENTS_MEMORY_PRESSURE_DIRECT_MEMORY_PRESSURE_CALCULATOR_H_ |
6 #define COMPONENTS_MEMORY_PRESSURE_DIRECT_MEMORY_PRESSURE_CALCULATOR_H_ | 6 #define COMPONENTS_MEMORY_PRESSURE_DIRECT_MEMORY_PRESSURE_CALCULATOR_H_ |
7 | 7 |
8 #include "components/memory_pressure/memory_pressure_calculator.h" | 8 #include "components/memory_pressure/memory_pressure_calculator.h" |
9 | 9 |
| 10 #include "base/macros.h" |
10 #include "base/process/process_metrics.h" | 11 #include "base/process/process_metrics.h" |
| 12 #include "build/build_config.h" |
11 | 13 |
12 namespace memory_pressure { | 14 namespace memory_pressure { |
13 | 15 |
14 #if defined(MEMORY_PRESSURE_IS_POLLING) | 16 #if defined(MEMORY_PRESSURE_IS_POLLING) |
15 | 17 |
16 // OS-specific implementation of MemoryPressureCalculator. This is only defined | 18 // OS-specific implementation of MemoryPressureCalculator. This is only defined |
17 // and used on platforms that do not have native memory pressure signals | 19 // and used on platforms that do not have native memory pressure signals |
18 // (ChromeOS, Linux, Windows). OSes that do have native signals simply hook into | 20 // (ChromeOS, Linux, Windows). OSes that do have native signals simply hook into |
19 // the appropriate subsystem (Android, Mac OS X). | 21 // the appropriate subsystem (Android, Mac OS X). |
20 class DirectMemoryPressureCalculator : public MemoryPressureCalculator { | 22 class DirectMemoryPressureCalculator : public MemoryPressureCalculator { |
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68 #endif | 70 #endif |
69 | 71 |
70 DISALLOW_COPY_AND_ASSIGN(DirectMemoryPressureCalculator); | 72 DISALLOW_COPY_AND_ASSIGN(DirectMemoryPressureCalculator); |
71 }; | 73 }; |
72 | 74 |
73 #endif // defined(MEMORY_PRESSURE_IS_POLLING) | 75 #endif // defined(MEMORY_PRESSURE_IS_POLLING) |
74 | 76 |
75 } // namespace memory_pressure | 77 } // namespace memory_pressure |
76 | 78 |
77 #endif // COMPONENTS_MEMORY_PRESSURE_DIRECT_MEMORY_PRESSURE_CALCULATOR_H_ | 79 #endif // COMPONENTS_MEMORY_PRESSURE_DIRECT_MEMORY_PRESSURE_CALCULATOR_H_ |
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