Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/webui/options/language_dictionary_overlay_handler.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_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
 
 #include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
 namespace options {
 
 class LanguageDictionaryOverlayHandler
     : public OptionsPageUIHandler,
       public SpellcheckCustomDictionary::Observer {
  public:
   LanguageDictionaryOverlayHandler();
-  virtual ~LanguageDictionaryOverlayHandler();
+  ~LanguageDictionaryOverlayHandler() override;
 
   // Overridden from OptionsPageUIHandler:
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) override;
-  virtual void RegisterMessages() override;
-  virtual void Uninitialize() override;
+  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
+  void RegisterMessages() override;
+  void Uninitialize() override;
 
   // Overridden from SpellcheckCustomDictionary::Observer:
-  virtual void OnCustomDictionaryLoaded() override;
-  virtual void OnCustomDictionaryChanged(
+  void OnCustomDictionaryLoaded() override;
+  void OnCustomDictionaryChanged(
       const SpellcheckCustomDictionary::Change& dictionary_change) override;
 
  private:
   // Sends the dictionary words to WebUI.
   void ResetDictionaryWords();
 
   // Refreshes the displayed words. Called from WebUI.
   void RefreshWords(const base::ListValue* args);
 
   // Adds a new word to the dictionary. Called from WebUI.
   void AddWord(const base::ListValue* args);
 
   // Removes a word from the dictionary. Called from WebUI.
   void RemoveWord(const base::ListValue* args);
 
   // Whether the overlay is initialized and ready to show data.
   bool overlay_initialized_;
 
   // The custom spelling dictionary. Used for adding, removing, and reading
   // words in custom dictionary file.
   SpellcheckCustomDictionary* dictionary_;
 
   DISALLOW_COPY_AND_ASSIGN(LanguageDictionaryOverlayHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_