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1 // Copyright (c) 2012 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_BATTERY_STATUS_PROVIDER_H_ | |
6 #define CONTENT_PUBLIC_BROWSER_BATTERY_STATUS_PROVIDER_H_ | |
7 | |
8 #include <list> | |
9 | |
10 #include "base/memory/singleton.h" | |
11 #include "base/observer_list.h" | |
jam
2012/04/12 19:34:55
nit: get rid of the three includes above this
sadrul
2012/04/12 21:53:24
Done.
| |
12 #include "content/common/content_export.h" | |
13 | |
14 namespace content { | |
15 | |
16 struct PowerSupplyStatus; | |
17 | |
18 class CONTENT_EXPORT BatteryStatusProvider { | |
19 public: | |
20 static BatteryStatusProvider* GetInstance(); | |
21 | |
22 // Sends updated battery status information to all the observers. | |
23 virtual void SendUpdate(const PowerSupplyStatus& power_status) = 0; | |
24 | |
25 protected: | |
26 virtual ~BatteryStatusProvider() {} | |
27 }; | |
28 | |
29 } // namespace content | |
30 | |
31 #endif // CONTENT_PUBLIC_BROWSER_BATTERY_STATUS_PROVIDER_H_ | |
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