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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CONTENT_PUBLIC_BROWSER_MEMORY_PRESSURE_CONTROLLER_H_ | |
6 #define CONTENT_PUBLIC_BROWSER_MEMORY_PRESSURE_CONTROLLER_H_ | |
7 | |
8 #include "base/memory/memory_pressure_listener.h" | |
9 #include "content/common/content_export.h" | |
10 | |
11 namespace content { | |
12 | |
13 class BrowserChildProcessHost; | |
14 class RenderProcessHost; | |
15 | |
16 // Allows content embedders to forward memory pressure events from the main | |
17 // browser process to children processes. For more details see | |
18 // content/browser/memory/memory_pressure_controller_impl.h. | |
19 class CONTENT_EXPORT MemoryPressureController { | |
20 public: | |
21 | |
22 // Sends a memory pressure notification to the specified browser child process | |
23 // via its attached MemoryMessageFilter. May be called on any thread. | |
24 static void SendPressureNotification( | |
25 const BrowserChildProcessHost* child_process_host, | |
26 base::MemoryPressureListener::MemoryPressureLevel level); | |
27 | |
28 // Sends a memory pressure notification to the specified renderer process via | |
29 // its attached MemoryMessageFilter. May be called on any thread. | |
30 static void SendPressureNotification( | |
31 const RenderProcessHost* render_process_host, | |
32 base::MemoryPressureListener::MemoryPressureLevel level); | |
33 | |
34 private: | |
35 DISALLOW_COPY_AND_ASSIGN(MemoryPressureController); | |
36 }; | |
37 | |
38 } // namespace content | |
39 | |
40 #endif // CONTENT_PUBLIC_BROWSER_MEMORY_PRESSURE_CONTROLLER_H_ | |
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