chromium/components/leveldb_proto/public/shared_proto_database_client_list.h

// Copyright 2018 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_LEVELDB_PROTO_PUBLIC_SHARED_PROTO_DATABASE_CLIENT_LIST_H_
#define COMPONENTS_LEVELDB_PROTO_PUBLIC_SHARED_PROTO_DATABASE_CLIENT_LIST_H_

#include <stddef.h>

#include <string>

#include "base/component_export.h"

namespace leveldb_proto {

const char* const kFeatureEngagementName = …;

// The enum values are used to index into the shared database. Do not rearrange
// or reuse the integer values. Add new database types at the end of the enum,
// and update the string mapping in ProtoDbTypeToString(). Also update the
// variant LevelDBClient in
// //tools/metrics/histograms/metadata/leveldb_proto/histograms.xml to match the
// strings for the types.
enum class ProtoDbType { … };

// List of databases that need to keep using unique db instances. New databases
// shouldn't be here unless they have a good reason.
constexpr ProtoDbType kBlocklistedDbForSharedImpl[]{ … };

// Add any obsolete databases in this list so that, if the data is no longer
// needed.
constexpr ProtoDbType kObsoleteSharedProtoDbTypeClients[] = …;

class COMPONENT_EXPORT(LEVELDB_PROTO) SharedProtoDatabaseClientList { … };

}  // namespace leveldb_proto

#endif  // COMPONENTS_LEVELDB_PROTO_PUBLIC_SHARED_PROTO_DATABASE_CLIENT_LIST_H_