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1 // Copyright (c) 2010 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 CHROME_BROWSER_PREFS_IN_MEMORY_PREF_STORE_H_ | |
6 #define CHROME_BROWSER_PREFS_IN_MEMORY_PREF_STORE_H_ | |
7 #pragma once | |
8 | |
9 #include "base/basictypes.h" | |
10 #include "base/scoped_ptr.h" | |
11 #include "chrome/common/pref_store.h" | |
12 | |
13 // This PrefStore keeps track of preference values in memory and can be used, | |
14 // e.g., for default preference values set when a preference is registered with | |
15 // the PrefService. | |
16 class InMemoryPrefStore : public PrefStore { | |
17 public: | |
18 InMemoryPrefStore(); | |
19 virtual ~InMemoryPrefStore(); | |
20 | |
21 // PrefStore methods: | |
22 virtual DictionaryValue* prefs() const; | |
23 virtual PrefStore::PrefReadError ReadPrefs(); | |
24 | |
25 private: | |
26 // The default preference values. | |
27 scoped_ptr<DictionaryValue> prefs_; | |
28 | |
29 DISALLOW_COPY_AND_ASSIGN(InMemoryPrefStore); | |
30 }; | |
31 | |
32 #endif // CHROME_BROWSER_PREFS_IN_MEMORY_PREF_STORE_H_ | |
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