chromium/components/media_device_salt/media_device_salt_database.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_MEDIA_DEVICE_SALT_MEDIA_DEVICE_SALT_DATABASE_H_
#define COMPONENTS_MEDIA_DEVICE_SALT_MEDIA_DEVICE_SALT_DATABASE_H_

#include <optional>

#include "base/files/file_path.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "base/types/expected.h"
#include "content/public/browser/storage_partition.h"
#include "sql/database.h"

namespace blink {
class StorageKey;
}  // namespace blink

namespace media_device_salt {

// Utility to create a random salt.
std::string CreateRandomSalt();

// Helper class that encapsulates the database logic for storing media device
// salts. These salts are used to generate persistent media device IDs used by
// APIs such as getUserMedia(), enumerateDevices() and some extension APIs.
//
// This class must be constructed and used on a sequence that allows blocking.
class MediaDeviceSaltDatabase { … };

}  // namespace media_device_salt

#endif  // COMPONENTS_MEDIA_DEVICE_SALT_MEDIA_DEVICE_SALT_DATABASE_H_