components/user_prefs/tracked/device_id.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_USER_PREFS_TRACKED_DEVICE_ID_H_
   6 #define COMPONENTS_USER_PREFS_TRACKED_DEVICE_ID_H_
   7
   8 #include <string>
   9
  10 enum class MachineIdStatus {
  11   SUCCESS = 0,
  12   FAILURE,         // Returned if attempt to obtain a machine-specific ID fails.
  13   NOT_IMPLEMENTED  // Returned if the method for obtaining a machine-specific ID
  14                    // is not implemented for the system.
  15 };
  16
  17 // Populates |machine_id| with a deterministic ID for this machine. |machine_id|
  18 // must not be null. Returns |FAILURE| if a machine ID cannot be obtained or
  19 // |NOT_IMPLEMENTED| on systems for which this feature is not supported (in both
  20 // cases |machine_id| is left untouched).
  21 MachineIdStatus GetDeterministicMachineSpecificId(std::string* machine_id);
  22
  23 #endif  // COMPONENTS_USER_PREFS_TRACKED_DEVICE_ID_H_