Revert of Implemented consumer management unenrollment.

chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h

Index: chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h
diff --git a/chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h b/chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h
index 78217e025bfef27bd09060cab870c3147ef9d949..b214274539a23bb6f4a801b2bdf9e2e34a5c590b 100644
--- a/chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h
+++ b/chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h
@@ -33,8 +33,6 @@
 }
 
 namespace chromeos {
-
-class FakeOwnerSettingsService;
 
 // The class is a profile-keyed service which holds public/private
 // keypair corresponds to a profile. The keypair is reloaded automatically when
@@ -90,9 +88,8 @@
   virtual void OnDeviceSettingsServiceShutdown() override;
 
   // Sets the management related settings.
-  virtual void SetManagementSettings(
-      const ManagementSettings& settings,
-      const OnManagementSettingsSetCallback& callback);
+  void SetManagementSettings(const ManagementSettings& settings,
+                             const OnManagementSettingsSetCallback& callback);
 
   // Checks if the user is the device owner, without the user profile having to
   // been initialized. Should be used only if login state is in safe mode.
@@ -119,14 +116,13 @@
            has_pending_management_settings_;
   }
 
- protected:
+ private:
+  friend class OwnerSettingsServiceChromeOSFactory;
+
   OwnerSettingsServiceChromeOS(
       DeviceSettingsService* device_settings_service,
       Profile* profile,
       const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
-
- private:
-  friend class OwnerSettingsServiceChromeOSFactory;
 
   // OwnerSettingsService protected interface overrides: