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/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "components/keyed_service/core/keyed_service.h"
+
+class Profile;
+
+namespace chromeos {
+
+// This class reloads owner key from profile slots.

[Nikita (slow), 2014/05/15 12:48:58]

nit: from profile NSS slots?

[ygorshenin1, 2014/05/16 12:09:37]

Done.

+//
+// TODO (ygorshenin@): move write path for device settings here

[Nikita (slow), 2014/05/15 12:48:58]

nit: If this is planned as a refactoring, I suggest filing a separate issue.

[ygorshenin1, 2014/05/16 12:09:37]

It's not a refactoring --- it's a main task for crbug.com/230018 to move write
path here.

On 2014/05/15 12:48:58, Nikita Kostylev wrote:

+// (crbug.com/230018).
+class OwnerSettingsService : public KeyedService {
+ public:
+  virtual ~OwnerSettingsService();
+
+ private:
+  friend class OwnerSettingsServiceFactory;
+
+  explicit OwnerSettingsService(Profile* profile);
+
+  void ReloadOwnerKey();
+
+  Profile* profile_;
+
+  base::WeakPtrFactory<OwnerSettingsService> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_OWNER_SETTINGS_SERVICE_H_