Implemented consumer management unenrollment.

chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h

 // Copyright 2014 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_BROWSER_POLICY_CONNECTOR_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_BROWSER_POLICY_CONNECTOR_CHROMEOS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 119 matching lines @@
   // to free the attributes.
   static void SetInstallAttributesForTesting(
       EnterpriseInstallAttributes* attributes);
   static void RemoveInstallAttributesForTesting();
 
   // Registers device refresh rate pref.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // DeviceCloudPolicyManagerChromeOS::Observer:
   void OnDeviceCloudPolicyManagerConnected() override;
+  void OnDeviceCloudPolicyManagerDisconnected() override;
 
  private:
   // Set the timezone as soon as the policies are available.
   void SetTimezoneIfPolicyAvailable();
 
+  // Restarts the device cloud policy initializer, because the device's
+  // registration status changed from registered to unregistered.
+  void RestartDeviceCloudPolicyInitializer();
+
   // Components of the device cloud policy implementation.
   scoped_ptr<ServerBackedStateKeysBroker> state_keys_broker_;
   scoped_ptr<EnterpriseInstallAttributes> install_attributes_;
   scoped_ptr<ConsumerManagementService> consumer_management_service_;
   DeviceCloudPolicyManagerChromeOS* device_cloud_policy_manager_;
+  PrefService* local_state_;
   scoped_ptr<DeviceManagementService> consumer_device_management_service_;
   scoped_ptr<DeviceCloudPolicyInitializer> device_cloud_policy_initializer_;
   scoped_ptr<DeviceLocalAccountPolicyService>
       device_local_account_policy_service_;
   scoped_ptr<DeviceCloudPolicyInvalidator> device_cloud_policy_invalidator_;
 
   // This policy provider is used on Chrome OS to feed user policy into the
   // global PolicyService instance. This works by installing the cloud policy
   // provider of the primary profile as the delegate of the ProxyPolicyProvider,
   // after login.
   // The provider is owned by the base class; this field is just a typed weak
   // pointer to get to the ProxyPolicyProvider at SetUserPolicyDelegate().
   ProxyPolicyProvider* global_user_cloud_policy_provider_;
 
   scoped_ptr<NetworkConfigurationUpdater> network_configuration_updater_;
 
   base::WeakPtrFactory<BrowserPolicyConnectorChromeOS> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPolicyConnectorChromeOS);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_BROWSER_POLICY_CONNECTOR_CHROMEOS_H_