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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 #ifndef CHROME_BROWSER_MEDIA_MEDIA_DEVICE_ID_SALT_H_ | 5 #ifndef CHROME_BROWSER_MEDIA_MEDIA_DEVICE_ID_SALT_H_ |
6 #define CHROME_BROWSER_MEDIA_MEDIA_DEVICE_ID_SALT_H_ | 6 #define CHROME_BROWSER_MEDIA_MEDIA_DEVICE_ID_SALT_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
| 10 #include "base/macros.h" |
10 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
11 #include "base/prefs/pref_member.h" | 12 #include "base/prefs/pref_member.h" |
12 #include "components/pref_registry/pref_registry_syncable.h" | 13 #include "components/pref_registry/pref_registry_syncable.h" |
13 | 14 |
14 class PrefService; | 15 class PrefService; |
15 | 16 |
16 // MediaDeviceIDSalt is responsible for creating and retrieving a salt string | 17 // MediaDeviceIDSalt is responsible for creating and retrieving a salt string |
17 // that is used for creating MediaSource IDs that can be cached by a web | 18 // that is used for creating MediaSource IDs that can be cached by a web |
18 // service. If the cache is cleared, the MediaSourceIds are invalidated. | 19 // service. If the cache is cleared, the MediaSourceIds are invalidated. |
19 // | 20 // |
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35 | 36 |
36 // |incognito_salt_| is initialized in ctor on UI thread but only read | 37 // |incognito_salt_| is initialized in ctor on UI thread but only read |
37 // on the IO thread. | 38 // on the IO thread. |
38 std::string incognito_salt_; | 39 std::string incognito_salt_; |
39 mutable StringPrefMember media_device_id_salt_; | 40 mutable StringPrefMember media_device_id_salt_; |
40 | 41 |
41 DISALLOW_COPY_AND_ASSIGN(MediaDeviceIDSalt); | 42 DISALLOW_COPY_AND_ASSIGN(MediaDeviceIDSalt); |
42 }; | 43 }; |
43 | 44 |
44 #endif // CHROME_BROWSER_MEDIA_MEDIA_DEVICE_ID_SALT_H_ | 45 #endif // CHROME_BROWSER_MEDIA_MEDIA_DEVICE_ID_SALT_H_ |
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