Break out base functionality of UserCloudPolicyManager.

chrome/browser/policy/cloud_policy_service.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_SERVICE_H_
 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_SERVICE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/policy/cloud_policy_client.h"
 #include "chrome/browser/policy/cloud_policy_constants.h"
 #include "chrome/browser/policy/cloud_policy_store.h"
 
 namespace policy {
 
-// Coordinates cloud policy handling, hosting the cloud policy client, fetching
-// new policy, and updating the local policy cache when new policy becomes
-// available.
+// Coordinates cloud policy handling, moving downloaded policy from the client
+// to the store, and setting up client registrations from cached data in the
+// store. Also coordinates actions on policy refresh triggers.
 class CloudPolicyService : public CloudPolicyClient::Observer,
                            public CloudPolicyStore::Observer {
  public:
-  CloudPolicyService(scoped_ptr<CloudPolicyClient> client,
-                     CloudPolicyStore* store);
+  // |client| and |store| must remain valid for the object life time.
+  CloudPolicyService(CloudPolicyClient* client, CloudPolicyStore* store);
   virtual ~CloudPolicyService();
 
   // Returns the domain that manages this user/device, according to the current
   // policy blob. Empty if not managed/not available.
   std::string ManagedBy() const;
 
   // Refreshes policy. |callback| will be invoked after the operation completes
   // or aborts because of errors.
   void RefreshPolicy(const base::Closure& callback);
 
-  CloudPolicyClient* client() { return client_.get(); }
-  CloudPolicyStore* store() { return store_; }
-
   // CloudPolicyClient::Observer:
   virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE;
   virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE;
   virtual void OnClientError(CloudPolicyClient* client) OVERRIDE;
 
   // CloudPolicyStore::Observer:
   virtual void OnStoreLoaded(CloudPolicyStore* store) OVERRIDE;
   virtual void OnStoreError(CloudPolicyStore* store) OVERRIDE;
 
  private:
   // Invokes the refresh callbacks and clears refresh state.
   void RefreshCompleted();
 
   // The client used to talk to the cloud.
-  scoped_ptr<CloudPolicyClient> client_;
+  CloudPolicyClient* client_;
 
   // Takes care of persisting and decoding cloud policy.
   CloudPolicyStore* store_;
 
   // Tracks the state of a pending refresh operation, if any.
   enum {
     // No refresh pending.
     REFRESH_NONE,
     // Policy fetch is pending.
     REFRESH_POLICY_FETCH,
     // Policy store is pending.
     REFRESH_POLICY_STORE,
   } refresh_state_;
 
   // Callbacks to invoke upon policy refresh.
   std::vector<base::Closure> refresh_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyService);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_POLICY_SERVICE_H_