Remove all old-style DeviceManagementService legacy.

chrome/browser/policy/device_management_service.cc

 // 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.
 
 #include "chrome/browser/policy/device_management_service.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/stringprintf.h"
 #include "base/sys_info.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/net/chrome_net_log.h"
-#include "chrome/browser/policy/device_management_backend.h"
-#include "chrome/browser/policy/device_management_backend_impl.h"
 #include "chrome/common/chrome_version_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/url_fetcher.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/cookie_monster.h"
 #include "net/base/escape.h"
 #include "net/base/host_resolver.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
@@ skipping 425 matching lines @@
                                               const std::string& value) {
   query_params_.push_back(std::make_pair(name, value));
 }
 
 DeviceManagementService::~DeviceManagementService() {
   // All running jobs should have been cancelled by now.
   DCHECK(pending_jobs_.empty());
   DCHECK(queued_jobs_.empty());
 }
 
-DeviceManagementBackend* DeviceManagementService::CreateBackend() {
-  return new DeviceManagementBackendImpl(this);
-}
-
 DeviceManagementRequestJob* DeviceManagementService::CreateJob(
     DeviceManagementRequestJob::JobType type) {
   return new DeviceManagementRequestJobImpl(type, this);
 }
 
 void DeviceManagementService::ScheduleInitialization(int64 delay_milliseconds) {
   if (initialized_)
     return;
   MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
@@ skipping 109 matching lines @@
     }
   }
 
   const JobQueue::iterator elem =
       std::find(queued_jobs_.begin(), queued_jobs_.end(), job);
   if (elem != queued_jobs_.end())
     queued_jobs_.erase(elem);
 }
 
 }  // namespace policy