Add OVERRIDE to chrome/browser/chromeos/.

chrome/browser/chromeos/preferences.h

 // Copyright (c) 2011 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_
 #pragma once
 
 #include <string>
 #include <vector>
 
+#include "base/compiler_specific.h"
 #include "chrome/browser/chromeos/language_preferences.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "content/public/browser/notification_observer.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
@@ skipping 10 matching lines @@
   // This method is called when kLanguagePreferredVirtualKeyboard is updated to
   // change the virtual keyboard settings to reflect the new value.
   static void UpdateVirturalKeyboardPreference(PrefService* prefs);
 
   // This method will initialize Chrome OS settings to values in user prefs.
   void Init(PrefService* prefs);
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
  private:
   // 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.
   void NotifyPrefChanged(const std::string* pref_name);
 
   // Writes boolean |value| to the input method (IBus) configuration daemon.
   // |section| (e.g. "general") and |name| (e.g. "use_global_engine") should
   // not be NULL.
@@ skipping 74 matching lines @@
   IntegerPrefMember language_xkb_auto_repeat_interval_pref_;
 
   BooleanPrefMember enable_screen_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(Preferences);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_