Refactor: Inject StatisticsProvider as a dependency of DeviceCloudPolicyInitializer.

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_CLOUD_POLICY_MANAGER_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_CLOUD_POLICY_MANAGER_CHROMEOS_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 67 matching lines @@
 
   // If set, the device will start the enterprise enrollment OOBE.
   void SetDeviceEnrollmentAutoStart();
 
   // CloudPolicyManager:
   void Shutdown() override;
 
   // Pref registration helper.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
-  // Returns the device serial number, or an empty string if not available.
-  static std::string GetMachineID();
-
-  // Returns the machine model, or an empty string if not available.
-  static std::string GetMachineModel();
-
   // Returns the mode for using zero-touch enrollment.
   static ZeroTouchEnrollmentMode GetZeroTouchEnrollmentMode();
 
   // Returns the robot 'email address' associated with the device robot
   // account (sometimes called a service account) associated with this device
   // during enterprise enrollment.
   std::string GetRobotAccountId();
 
   // Starts the connection via |client_to_connect|.
   void StartConnection(std::unique_ptr<CloudPolicyClient> client_to_connect,
@@ skipping 55 matching lines @@
       attestation_policy_observer_;
 
   base::ObserverList<Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceCloudPolicyManagerChromeOS);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_CLOUD_POLICY_MANAGER_CHROMEOS_H_