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

chrome/browser/pref_service_flags_storage.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_PREF_SERVICE_FLAGS_STORAGE_H_
 #define CHROME_BROWSER_PREF_SERVICE_FLAGS_STORAGE_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/flags_storage.h"
 
 class PrefService;
 
 namespace about_flags {
 
 // Implements the FlagsStorage interface with a PrefService backend.
 // This is the implementation used on desktop Chrome for all users.
 class PrefServiceFlagsStorage : public FlagsStorage {
  public:
   explicit PrefServiceFlagsStorage(PrefService *prefs);
   virtual ~PrefServiceFlagsStorage();
 
-  virtual std::set<std::string> GetFlags() OVERRIDE;
-  virtual bool SetFlags(const std::set<std::string>& flags) OVERRIDE;
+  virtual std::set<std::string> GetFlags() override;
+  virtual bool SetFlags(const std::set<std::string>& flags) override;
 
  private:
   PrefService* prefs_;
 };
 
 }  // namespace about_flags
 
 #endif  // CHROME_BROWSER_PREF_SERVICE_FLAGS_STORAGE_H_