Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/device_token_fetcher.cc

 // Copyright (c) 2011 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_token_fetcher.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
-#include "base/callback.h"
 #include "base/metrics/histogram.h"
+#include "base/time.h"
 #include "chrome/browser/policy/cloud_policy_cache_base.h"
 #include "chrome/browser/policy/cloud_policy_data_store.h"
+#include "chrome/browser/policy/delayed_work_scheduler.h"
 #include "chrome/browser/policy/device_management_service.h"
 #include "chrome/browser/policy/enterprise_metrics.h"
+#include "chrome/browser/policy/policy_notifier.h"
 #include "chrome/browser/policy/proto/device_management_constants.h"
 #include "chrome/browser/policy/proto/device_management_local.pb.h"
 
 namespace {
 
 // Retry after 5 minutes (with exponential backoff) after token fetch errors.
 const int64 kTokenFetchErrorDelayMilliseconds = 5 * 60 * 1000;
 // Retry after max 3 hours after token fetch errors.
 const int64 kTokenFetchErrorMaxDelayMilliseconds = 3 * 60 * 60 * 1000;
 // For unmanaged devices, check once per day whether they're still unmanaged.
@@ skipping 207 matching lines @@
     case STATE_UNMANAGED:
     case STATE_ERROR:
     case STATE_TEMPORARY_ERROR:
     case STATE_BAD_AUTH:
       FetchTokenInternal();
       break;
   }
 }
 
 }  // namespace policy