summaryrefslogtreecommitdiffstats
path: root/chrome/browser/prefs/pref_hash_store.h
blob: 0fd0ae4edb2b5f31f042514d632458eee793c0b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// 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_