Break CloudPolicyRefreshScheduler's dependency on PrefService.

chrome/browser/policy/cloud_policy_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_POLICY_CLOUD_POLICY_MANAGER_H_
 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
+#include "chrome/browser/api/prefs/pref_member.h"
 #include "chrome/browser/policy/cloud_policy_store.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
 class PrefService;
 
 namespace policy {
 
 class CloudPolicyClient;
 class CloudPolicyRefreshScheduler;
 class CloudPolicyService;
@@ skipping 46 matching lines @@
                              const std::string& refresh_rate_pref);
 
   // Check whether fully initialized and if so, publish policy by calling
   // ConfigurationPolicyStore::UpdatePolicy().
   void CheckAndPublishPolicy();
 
  private:
   // Completion handler for policy refresh operations.
   void OnRefreshComplete();
 
+  // Updates the refresh scheduler on refresh delay changes.
+  void UpdateRefreshDelay();
+
   CloudPolicyStore* store_;
   scoped_ptr<CloudPolicyClient> client_;
   scoped_ptr<CloudPolicyService> service_;
   scoped_ptr<CloudPolicyRefreshScheduler> refresh_scheduler_;
 
   // Whether there's a policy refresh operation pending, in which case all
   // policy update notifications are deferred until after it completes.
   bool waiting_for_policy_refresh_;
 
+  // Keeps track of the refresh delay pref.
+  scoped_ptr<IntegerPrefMember> refresh_delay_;
+
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyManager);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_POLICY_MANAGER_H_