| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_PREFS_PREF_HASH_STORE_H_ |
| #define CHROME_BROWSER_PREFS_PREF_HASH_STORE_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| |
| class HashStoreContents; |
| class PrefHashStoreTransaction; |
| |
| // Holds the configuration and implementation used to calculate and verify |
| // preference MACs. |
| // TODO(gab): Rename this class as it is no longer a store. |
| class PrefHashStore { |
| public: |
| virtual ~PrefHashStore() {} |
| |
| // Returns a PrefHashStoreTransaction which can be used to perform a series |
| // of operations on the hash store. |storage| MAY be used as the backing store |
| // depending on the implementation. Therefore the HashStoreContents used for |
| // related transactions should correspond to the same underlying data store. |
| virtual scoped_ptr<PrefHashStoreTransaction> BeginTransaction( |
| scoped_ptr<HashStoreContents> storage) = 0; |
| }; |
| |
| #endif // CHROME_BROWSER_PREFS_PREF_HASH_STORE_H_ |