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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "base/memory/memory_pressure_listener.h" | 5 #include "base/memory/memory_pressure_listener.h" |
6 | 6 |
7 #include "base/observer_list_threadsafe.h" | 7 #include "base/observer_list_threadsafe.h" |
8 #include "base/trace_event/trace_event.h" | 8 #include "base/trace_event/trace_event.h" |
9 | 9 |
10 namespace base { | 10 namespace base { |
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44 private: | 44 private: |
45 scoped_refptr<ObserverListThreadSafe<MemoryPressureListener>> | 45 scoped_refptr<ObserverListThreadSafe<MemoryPressureListener>> |
46 async_observers_; | 46 async_observers_; |
47 ObserverList<MemoryPressureListener>* sync_observers_; | 47 ObserverList<MemoryPressureListener>* sync_observers_; |
48 Lock sync_observers_lock_; | 48 Lock sync_observers_lock_; |
49 | 49 |
50 DISALLOW_COPY_AND_ASSIGN(MemoryPressureObserver); | 50 DISALLOW_COPY_AND_ASSIGN(MemoryPressureObserver); |
51 }; | 51 }; |
52 | 52 |
53 MemoryPressureObserver* GetMemoryPressureObserver() { | 53 MemoryPressureObserver* GetMemoryPressureObserver() { |
54 static auto observer = new MemoryPressureObserver(); | 54 static auto* observer = new MemoryPressureObserver(); |
55 return observer; | 55 return observer; |
56 } | 56 } |
57 | 57 |
58 subtle::Atomic32 g_notifications_suppressed = 0; | 58 subtle::Atomic32 g_notifications_suppressed = 0; |
59 | 59 |
60 } // namespace | 60 } // namespace |
61 | 61 |
62 MemoryPressureListener::MemoryPressureListener( | 62 MemoryPressureListener::MemoryPressureListener( |
63 const MemoryPressureListener::MemoryPressureCallback& callback) | 63 const MemoryPressureListener::MemoryPressureCallback& callback) |
64 : callback_(callback) { | 64 : callback_(callback) { |
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121 | 121 |
122 // static | 122 // static |
123 void MemoryPressureListener::DoNotifyMemoryPressure( | 123 void MemoryPressureListener::DoNotifyMemoryPressure( |
124 MemoryPressureLevel memory_pressure_level) { | 124 MemoryPressureLevel memory_pressure_level) { |
125 DCHECK_NE(memory_pressure_level, MEMORY_PRESSURE_LEVEL_NONE); | 125 DCHECK_NE(memory_pressure_level, MEMORY_PRESSURE_LEVEL_NONE); |
126 | 126 |
127 GetMemoryPressureObserver()->Notify(memory_pressure_level); | 127 GetMemoryPressureObserver()->Notify(memory_pressure_level); |
128 } | 128 } |
129 | 129 |
130 } // namespace base | 130 } // namespace base |
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