#ifndef COMPONENTS_SYNC_SERVICE_HISTORY_SYNC_SESSION_DURATIONS_METRICS_RECORDER_H_
#define COMPONENTS_SYNC_SERVICE_HISTORY_SYNC_SESSION_DURATIONS_METRICS_RECORDER_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "base/timer/elapsed_timer.h"
#include "components/sync/service/sync_service.h"
#include "components/sync/service/sync_service_observer.h"
namespace syncer {
class HistorySyncSessionDurationsMetricsRecorder
: public syncer::SyncServiceObserver { … };
}
#endif