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

chrome/browser/chromeos/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 CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
+#define CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
+
+#include <deque>
+#include <vector>
+
+#include "base/callback.h"
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "base/threading/thread_checker.h"
+#include "chrome/browser/chromeos/settings/device_settings_service.h"
+#include "chromeos/dbus/session_manager_client.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "components/ownership/owner_key_util.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class Profile;
+
+namespace chromeos {
+
+class SessionManagerOperation;
+
+// This class reloads owner key from profile NSS slots.
+//
+// TODO (ygorshenin@): move write path for device settings here
+// (crbug.com/230018).
+class OwnerSettingsService : public DeviceSettingsService::PrivateKeyDelegate,
+                             public KeyedService,
+                             public content::NotificationObserver,
+                             public SessionManagerClient::Observer {
+ public:
+  virtual ~OwnerSettingsService();
+
+  base::WeakPtr<OwnerSettingsService> as_weak_ptr() {
+    return weak_factory_.GetWeakPtr();
+  }
+
+  void OnTPMTokenReady(bool tpm_token_enabled);
+
+  // DeviceSettingsService::PrivateKeyDelegate implementation:
+  virtual bool IsOwner() OVERRIDE;
+  virtual void IsOwnerAsync(const IsOwnerCallback& callback) OVERRIDE;
+  virtual bool AssembleAndSignPolicyAsync(
+      scoped_ptr<enterprise_management::PolicyData> policy,
+      const AssembleAndSignPolicyCallback& callback) OVERRIDE;
+  virtual void SignAndStoreAsync(
+      scoped_ptr<enterprise_management::ChromeDeviceSettingsProto> settings,
+      const base::Closure& callback) OVERRIDE;
+  virtual void SetManagementSettingsAsync(
+      enterprise_management::PolicyData::ManagementMode management_mode,
+      const std::string& request_token,
+      const std::string& device_id,
+      const base::Closure& callback) OVERRIDE;
+
+  // NotificationObserver implementation:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+  // SessionManagerClient::Observer:
+  virtual void OwnerKeySet(bool success) OVERRIDE;
+
+  // Checks if the user is the device owner, without the user profile having to
+  // been initialized. Should be used only if login state is in safe mode.
+  static void IsOwnerForSafeModeAsync(
+      const std::string& user_hash,
+      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util,
+      const IsOwnerCallback& callback);
+
+  static void SetDeviceSettingsServiceForTesting(
+      DeviceSettingsService* device_settings_service);
+
+ private:
+  friend class OwnerSettingsServiceFactory;
+
+  OwnerSettingsService(
+      Profile* profile,
+      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
+
+  // Reloads private key from profile's NSS slots. Responds via call
+  // to OnPrivateKeyLoaded().
+  void ReloadPrivateKey();
+
+  // Called when ReloadPrivateKey() completes it's work.
+  void OnPrivateKeyLoaded(scoped_refptr<ownership::PublicKey> public_key,
+                          scoped_refptr<ownership::PrivateKey> private_key);
+
+  // Puts request to perform sign-and-store operation in the queue.
+  void EnqueueSignAndStore(scoped_ptr<enterprise_management::PolicyData> policy,
+                           const base::Closure& callback);
+
+  // Performs next operation in the queue.
+  void StartNextOperation();
+
+  // Called when sign-and-store operation completes it's work.
+  void HandleCompletedOperation(const base::Closure& callback,
+                                SessionManagerOperation* operation,
+                                DeviceSettingsService::Status status);
+
+  // Called when it's not possible to store settings.
+  void HandleError(DeviceSettingsService::Status status,
+                   const base::Closure& callback);
+
+  // Returns testing instance of OwnerKeyUtil when it's set, otherwise
+  // returns |owner_key_util_|.
+  scoped_refptr<ownership::OwnerKeyUtil> GetOwnerKeyUtil();
+
+  // Returns testing instance of DeviceSettingsService when it's set,
+  // otherwise returns pointer to a singleton instance, when it's
+  // initialized.
+  DeviceSettingsService* GetDeviceSettingsService();
+
+  // Profile this service instance belongs to.
+  Profile* profile_;
+
+  // User ID this service instance belongs to.
+  std::string user_id_;
+
+  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_;
+
+  // Whether profile still needs to be initialized.
+  bool waiting_for_profile_creation_;
+
+  // Whether TPM token still needs to be initialized.
+  bool waiting_for_tpm_token_;
+
+  // The queue of pending sign-and-store operations. The first operation on the
+  // queue is currently active; it gets removed and destroyed once it completes.
+  std::deque<SessionManagerOperation*> pending_operations_;
+
+  content::NotificationRegistrar registrar_;
+
+  base::ThreadChecker thread_checker_;
+
+  base::WeakPtrFactory<OwnerSettingsService> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_