chromium/components/sync/service/sync_feature_status_for_migrations_recorder.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_SYNC_SERVICE_SYNC_FEATURE_STATUS_FOR_MIGRATIONS_RECORDER_H_
#define COMPONENTS_SYNC_SERVICE_SYNC_FEATURE_STATUS_FOR_MIGRATIONS_RECORDER_H_

#include <string>

#include "base/memory/raw_ptr.h"
#include "components/sync/base/data_type.h"
#include "components/sync/service/sync_service_observer.h"

class PrefRegistrySimple;
class PrefService;

namespace syncer {

class SyncService;

// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
// LINT.IfChange(SyncFeatureStatusForSyncToSigninMigration)
enum class SyncFeatureStatusForSyncToSigninMigration { … };
// LINT.ThenChange(/tools/metrics/histograms/metadata/sync/enums.xml:SyncFeatureStatusForSyncToSigninMigration)

// Safely converts an int (e.g. as read from PrefService) back to an enum entry,
// falling back to `kUndefined` if the value doesn't map to any enum entry.
SyncFeatureStatusForSyncToSigninMigration
SyncFeatureStatusForSyncToSigninMigrationFromInt(int value);

// Records prefs related to the status of Sync-the-feature itself as well as
// all data types, which is useful for data migrations that run early during
// browser startup, before any Sync machinery is initialized.
class SyncFeatureStatusForMigrationsRecorder : public SyncServiceObserver { … };

}  // namespace syncer

#endif  // COMPONENTS_SYNC_SERVICE_SYNC_FEATURE_STATUS_FOR_MIGRATIONS_RECORDER_H_