Revert of 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_