Implemented profile-aware owner key loading.

chrome/browser/chromeos/login/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_LOGIN_OWNER_SETTINGS_SERVICE_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_OWNER_SETTINGS_SERVICE_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "components/keyed_service/core/keyed_service.h"
+
+class Profile;
+
+namespace chromeos {
+
+class OwnerSettingsBaseService : public KeyedService {
+ public:
+  virtual ~OwnerSettingsBaseService();
+
+ protected:
+  OwnerSettingsBaseService();
+
+  virtual void ReloadOwnerKey();
+
+ private:
+  friend class OwnerSettingsServiceFactory;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnerSettingsBaseService);
+};
+
+// This class reloads owner key from profile slots.
+//
+// TODO (ygorshenin@): move write path for device settings here
+// (crbug.com/230018).
+class OwnerSettingsService : public OwnerSettingsBaseService {
+ public:
+  virtual ~OwnerSettingsService();
+
+ protected:
+  // OwnerSettingsBaseService overrides:
+  virtual void ReloadOwnerKey() OVERRIDE;
+
+ private:
+  friend class OwnerSettingsServiceFactory;
+
+  explicit OwnerSettingsService(Profile* profile);
+
+  Profile* profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_OWNER_SETTINGS_SERVICE_H_