chromium/components/sync/engine/cycle/entity_change_metric_recording.h

// Copyright 2020 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_ENGINE_CYCLE_ENTITY_CHANGE_METRIC_RECORDING_H_
#define COMPONENTS_SYNC_ENGINE_CYCLE_ENTITY_CHANGE_METRIC_RECORDING_H_

#include <string>

#include "components/sync/base/data_type.h"

namespace syncer {

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

void RecordEntityChangeMetrics(DataType type, DataTypeEntityChange change);

std::string GetEntityChangeHistogramNameForTest(DataType type);

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_CYCLE_ENTITY_CHANGE_METRIC_RECORDING_H_