Standardize usage of virtual/override/final specifiers.

chrome/browser/sync/test/integration/dictionary_load_observer.h

 // Copyright (c) 2012 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_SYNC_TEST_INTEGRATION_DICTIONARY_LOAD_OBSERVER_H_
 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_DICTIONARY_LOAD_OBSERVER_H_
 
 #include "base/callback.h"
 #include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
 
 // DictionaryLoadObserver is used when blocking until the
 // SpellcheckCustomDictionary finishes loading. As soon as the
 // SpellcheckCustomDictionary finishes loading, the message loop is quit.
 class DictionaryLoadObserver : public SpellcheckCustomDictionary::Observer {
  public:
   explicit DictionaryLoadObserver(const base::Closure& quit_task);
   virtual ~DictionaryLoadObserver();
 
   // SpellcheckCustomDictionary::Observer implementation.
-  virtual void OnCustomDictionaryLoaded() override;
-  virtual void OnCustomDictionaryChanged(
+  void OnCustomDictionaryLoaded() override;
+  void OnCustomDictionaryChanged(
       const SpellcheckCustomDictionary::Change& dictionary_change) override;
 
  private:
   base::Closure quit_task_;
   DISALLOW_COPY_AND_ASSIGN(DictionaryLoadObserver);
 };
 
 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_DICTIONARY_LOAD_OBSERVER_H_