Move policy code into components/policy.

chrome/browser/policy/cloud/cloud_policy_core.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_CLOUD_POLICY_CORE_H_
-#define CHROME_BROWSER_POLICY_CLOUD_CLOUD_POLICY_CORE_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/observer_list.h"
-#include "base/prefs/pref_member.h"
-#include "chrome/browser/policy/cloud/cloud_policy_constants.h"
-
-class PrefService;
-
-namespace base {
-class SequencedTaskRunner;
-}
-
-namespace policy {
-
-class CloudPolicyClient;
-class CloudPolicyRefreshScheduler;
-class CloudPolicyService;
-class CloudPolicyStore;
-
-// CloudPolicyCore glues together the ingredients that are essential for
-// obtaining a fully-functional cloud policy system: CloudPolicyClient and
-// CloudPolicyStore, which are responsible for fetching policy from the cloud
-// and storing it locally, respectively, as well as a CloudPolicyService
-// instance that moves data between the two former components, and
-// CloudPolicyRefreshScheduler which triggers periodic refreshes.
-class CloudPolicyCore {
- public:
-  // Callbacks for policy core events.
-  class Observer {
-   public:
-    virtual ~Observer();
-
-    // Called after the core is connected.
-    virtual void OnCoreConnected(CloudPolicyCore* core) = 0;
-
-    // Called after the refresh scheduler is started.
-    virtual void OnRefreshSchedulerStarted(CloudPolicyCore* core) = 0;
-
-    // Called before the core is disconnected.
-    virtual void OnCoreDisconnecting(CloudPolicyCore* core) = 0;
-  };
-
-  // |task_runner| is the runner for policy refresh tasks.
-  CloudPolicyCore(const PolicyNamespaceKey& policy_ns_key,
-                  CloudPolicyStore* store,
-                  const scoped_refptr<base::SequencedTaskRunner>& task_runner);
-  ~CloudPolicyCore();
-
-  CloudPolicyClient* client() { return client_.get(); }
-  const CloudPolicyClient* client() const { return client_.get(); }
-
-  CloudPolicyStore* store() { return store_; }
-  const CloudPolicyStore* store() const { return store_; }
-
-  CloudPolicyService* service() { return service_.get(); }
-  const CloudPolicyService* service() const { return service_.get(); }
-
-  CloudPolicyRefreshScheduler* refresh_scheduler() {
-    return refresh_scheduler_.get();
-  }
-  const CloudPolicyRefreshScheduler* refresh_scheduler() const {
-    return refresh_scheduler_.get();
-  }
-
-  // Initializes the cloud connection.
-  void Connect(scoped_ptr<CloudPolicyClient> client);
-
-  // Shuts down the cloud connection.
-  void Disconnect();
-
-  // Requests a policy refresh to be performed soon. This may apply throttling,
-  // and the request may not be immediately sent.
-  void RefreshSoon();
-
-  // Starts a refresh scheduler in case none is running yet.
-  void StartRefreshScheduler();
-
-  // Watches the pref named |refresh_pref_name| in |pref_service| and adjusts
-  // |refresh_scheduler_|'s refresh delay accordingly.
-  void TrackRefreshDelayPref(PrefService* pref_service,
-                             const std::string& refresh_pref_name);
-
-  // Registers an observer to be notified of policy core events.
-  void AddObserver(Observer* observer);
-
-  // Removes the specified observer.
-  void RemoveObserver(Observer* observer);
-
- private:
-  // Updates the refresh scheduler on refresh delay changes.
-  void UpdateRefreshDelayFromPref();
-
-  PolicyNamespaceKey policy_ns_key_;
-  CloudPolicyStore* store_;
-  scoped_refptr<base::SequencedTaskRunner> task_runner_;
-  scoped_ptr<CloudPolicyClient> client_;
-  scoped_ptr<CloudPolicyService> service_;
-  scoped_ptr<CloudPolicyRefreshScheduler> refresh_scheduler_;
-  scoped_ptr<IntegerPrefMember> refresh_delay_;
-  ObserverList<Observer, true> observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(CloudPolicyCore);
-};
-
-}  // namespace policy
-
-#endif  // CHROME_BROWSER_POLICY_CLOUD_CLOUD_POLICY_CORE_H_