// 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 PrefHashStoreTransaction; // Stores hashes of and verifies preference values via // PrefHashStoreTransactions. class PrefHashStore { public: virtual ~PrefHashStore() {} // Returns a PrefHashStoreTransaction which can be used to perform a series // of checks/transformations on the hash store. virtual scoped_ptr<PrefHashStoreTransaction> BeginTransaction() = 0; // Commits this store to disk if it has changed since the last call to this // method. virtual void CommitPendingWrite() = 0; }; #endif // CHROME_BROWSER_PREFS_PREF_HASH_STORE_H_