replace OVERRIDE and FINAL with override and final in chrome/browser/[j-q]*

chrome/browser/prefs/synced_pref_change_registrar.h

 // Copyright 2013 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_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_
 #define CHROME_BROWSER_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_
 
 #include <map>
 #include <string>
 
@@ skipping 26 matching lines @@
 
   // Remove all registered observers.
   void RemoveAll();
 
   // Indicates whether or not an observer is already registered for |path|.
   bool IsObserved(const char* path) const;
 
  private:
   // SyncedPrefObserver implementation
   virtual void OnSyncedPrefChanged(const std::string& path, bool from_sync)
-      OVERRIDE;
+      override;
 
   typedef std::map<std::string, NamedChangeCallback> ObserverMap;
 
   PrefServiceSyncable* pref_service_;
   ObserverMap observers_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncedPrefChangeRegistrar);
 };
 
 #endif  // CHROME_BROWSER_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_