| // Copyright 2017 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_MEDIA_MEDIA_STORAGE_ID_SALT_H_ |
| #define CHROME_BROWSER_MEDIA_MEDIA_STORAGE_ID_SALT_H_ |
| |
| #include <stdint.h> |
| |
| #include <vector> |
| |
| class PrefRegistrySimple; |
| class PrefService; |
| |
| // MediaStorageIDSalt is responsible for creating and retrieving a salt string |
| // that is used when creating Storage IDs. |
| class MediaStorageIdSalt { |
| public: |
| enum { kSaltLength = 32 }; |
| |
| MediaStorageIdSalt() = delete; |
| MediaStorageIdSalt(const MediaStorageIdSalt&) = delete; |
| MediaStorageIdSalt& operator=(const MediaStorageIdSalt&) = delete; |
| |
| // Retrieves the current salt. If one does not currently exist it is created. |
| static std::vector<uint8_t> GetSalt(PrefService* pref_service); |
| |
| static void RegisterProfilePrefs(PrefRegistrySimple* registry); |
| }; |
| |
| #endif // CHROME_BROWSER_MEDIA_MEDIA_STORAGE_ID_SALT_H_ |