Fix "unused variable" warnings.

chrome/browser/chromeos/policy/consumer_unenrollment_handler.cc

 // 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.
 
 #include "chrome/browser/chromeos/policy/consumer_unenrollment_handler.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h"
 #include "chrome/browser/chromeos/policy/consumer_management_service.h"
 #include "chrome/browser/chromeos/policy/consumer_management_stage.h"
 #include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
-#include "chrome/browser/chromeos/settings/device_settings_service.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
 #include "policy/proto/device_management_backend.pb.h"
 
 namespace em = enterprise_management;
 
 namespace policy {
 
 ConsumerUnenrollmentHandler::ConsumerUnenrollmentHandler(
-    chromeos::DeviceSettingsService* device_settings_service,
     ConsumerManagementService* consumer_management_service,
     DeviceCloudPolicyManagerChromeOS* device_cloud_policy_manager,
     chromeos::OwnerSettingsServiceChromeOS* owner_settings_service)
-    : device_settings_service_(device_settings_service),
-      consumer_management_service_(consumer_management_service),
+    : consumer_management_service_(consumer_management_service),
       device_cloud_policy_manager_(device_cloud_policy_manager),
       owner_settings_service_(owner_settings_service),
-      weak_factory_(this) {
-}
+      weak_factory_(this) {}
 
 ConsumerUnenrollmentHandler::~ConsumerUnenrollmentHandler() {
 }
 
 void ConsumerUnenrollmentHandler::Start() {
   if (consumer_management_service_->GetStatus() !=
       ConsumerManagementService::STATUS_ENROLLED) {
     return;
   }
 
@@ skipping 31 matching lines @@
   consumer_management_service_->SetStage(
       ConsumerManagementStage::UnenrollmentSuccess());
 
   // Disconnecting the device cloud policy manager will restart the device
   // cloud policy initializer. So this must be done after the management
   // settings are updated, so that the initializer won't reconnect the manager.
   device_cloud_policy_manager_->Disconnect();
 }
 
 }  // namespace policy