Implemented profile-aware owner key loading.

chrome/browser/chromeos/ownership/owner_settings_service.h

Index: chrome/browser/chromeos/ownership/owner_settings_service.h
diff --git a/chrome/browser/chromeos/ownership/owner_settings_service.h b/chrome/browser/chromeos/ownership/owner_settings_service.h
new file mode 100644
index 0000000000000000000000000000000000000000..8324373357e1f61478c8c9bfe7f120c62a9d5c5c
--- /dev/null
+++ b/chrome/browser/chromeos/ownership/owner_settings_service.h
@@ -0,0 +1,51 @@
+// 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 "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class Profile;
+
+namespace chromeos {
+
+// This class reloads owner key from profile NSS slots.
+//
+// TODO (ygorshenin@): move write path for device settings here
+// (crbug.com/230018).
+class OwnerSettingsService : public KeyedService,
+                             public content::NotificationObserver {
+ public:
+  virtual ~OwnerSettingsService();
+
+  // NotificationObserver implementation:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+ private:
+  friend class OwnerSettingsServiceFactory;
+
+  explicit OwnerSettingsService(Profile* profile);
+
+  void ReloadOwnerKey();
+
+  Profile* profile_;
+
+  content::NotificationRegistrar registrar_;
+
+  base::WeakPtrFactory<OwnerSettingsService> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_