Non-plafrom-specific part of an OwnerSettingsService is moved to components/ownership/*.

components/ownership/owner_settings_service.h

+// Copyright 2014 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 COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
+#define COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
+
+#include <string>
+#include <vector>
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/threading/thread_checker.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "components/ownership/ownership_export.h"
+#include "policy/proto/device_management_backend.pb.h"
+
+namespace base {
+class TaskRunner;
+}
+
+namespace ownership {
+class OwnerKeyUtil;
+class PrivateKey;
+class PublicKey;
+
+// This class is a common interface for platform-specific classes
+// which deal with ownership, keypairs and owner-related settings.
+class OWNERSHIP_EXPORT OwnerSettingsService : public KeyedService {
+ public:
+  typedef base::Callback<void(std::string policy_blob)>
+      AssembleAndSignPolicyAsyncCallback;
+
+  typedef base::Callback<void(bool is_owner)> IsOwnerCallback;
+
+  explicit OwnerSettingsService(
+      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
+  virtual ~OwnerSettingsService();
+
+  base::WeakPtr<OwnerSettingsService> as_weak_ptr() {
+    return weak_factory_.GetWeakPtr();
+  }
+
+  // Returns whether current user is owner or not. When this method
+  // is called too early, incorrect result can be returned because
+  // private key loading may be in progress.
+  bool IsOwner();
+
+  // Determines whether current user is owner or not, responds via
+  // |callback|.
+  void IsOwnerAsync(const IsOwnerCallback& callback);
+
+  // Assembles and signs |policy| on the |task_runner|, responds on
+  // the original thread via |callback|.
+  bool AssembleAndSignPolicyAsync(
+      base::TaskRunner* task_runner,
+      scoped_ptr<enterprise_management::PolicyData> policy,
+      const AssembleAndSignPolicyAsyncCallback& callback);
+
+  // Signs |settings| with the private half of the owner key and sends
+  // the resulting policy blob for storage. The
+  // result of the operation is reported through |callback|.
+  virtual void SignAndStorePolicyAsync(
+      scoped_ptr<enterprise_management::PolicyData> policy,
+      const base::Closure& callback) = 0;
+
+ protected:
+  void ReloadKeypair();
+
+  void OnKeypairLoaded(const scoped_refptr<PublicKey>& public_key,
+                       const scoped_refptr<PrivateKey>& private_key);
+
+  // Platform-specific keypair loading algorithm.
+  virtual void ReloadKeypairImpl(const base::Callback<
+      void(const scoped_refptr<PublicKey>& public_key,
+           const scoped_refptr<PrivateKey>& private_key)>& callback) = 0;
+
+  // Plafrom-specific actions which should be performed when keypair is loaded.
+  virtual void OnPostKeypairLoadedActions() = 0;
+
+  scoped_refptr<ownership::PublicKey> public_key_;
+
+  scoped_refptr<ownership::PrivateKey> private_key_;
+
+  scoped_refptr<ownership::OwnerKeyUtil> owner_key_util_;
+
+  std::vector<IsOwnerCallback> pending_is_owner_callbacks_;
+
+  base::ThreadChecker thread_checker_;
+
+ private:
+  base::WeakPtrFactory<OwnerSettingsService> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
+};
+
+}  // namespace ownership
+
+#endif  // COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_