chromium/components/metrics/machine_id_provider.h

// Copyright 2014 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_METRICS_MACHINE_ID_PROVIDER_H_
#define COMPONENTS_METRICS_MACHINE_ID_PROVIDER_H_

#include <string>

namespace metrics {

// Provides machine characteristics used as a machine id. The implementation is
// platform specific. GetMachineId() must be called on a thread which allows
// I/O. GetMachineId() must not be called if HasId() returns false on this
// platform.
class MachineIdProvider { … };

}  //  namespace metrics

#endif  // COMPONENTS_METRICS_MACHINE_ID_PROVIDER_H_