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diff --git a/chrome/browser/chromeos/preferences.h b/chrome/browser/chromeos/preferences.h
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+// Copyright (c) 2009 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_PREFERENCES_H_
+#define CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
+
+#include "chrome/common/notification_observer.h"
+#include "chrome/common/pref_member.h"
+
+class PrefService;
+
+namespace chromeos {
+
+// The Preferences class handles Chrome OS preferences. When the class
+// is first initialized, it will initialize the OS settings to what's stored in
+// the preferences. These include timezones, touchpad settings, etc.
+// When the preferences change, we change the settings to reflect the new value.
+class Preferences : public NotificationObserver {
+ public:
+  Preferences() {}
+  virtual ~Preferences() {}
+
+  // This method will register the prefs associated with Chrome OS settings.
+  static void RegisterUserPrefs(PrefService* prefs);
+
+  // This method will initialize Chrome OS settings to values in user prefs.
+  void Init(PrefService* prefs);
+
+  // Overridden from NotificationObserver:
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+ protected:
+  // This will set the OS settings when the preference changes.
+  // If this method is called with NULL, it will set all OS settings to what's
+  // stored in the preferences.
+  virtual void NotifyPrefChanged(const std::wstring* pref_name);
+
+ private:
+  void SetTimeZone(const std::wstring& id);
+
+  StringPrefMember timezone_;
+  BooleanPrefMember tap_to_click_enabled_;
+  BooleanPrefMember vert_edge_scroll_enabled_;
+  IntegerPrefMember speed_factor_;
+  IntegerPrefMember sensitivity_;
+
+  DISALLOW_COPY_AND_ASSIGN(Preferences);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_