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

chrome/browser/ui/webui/sync_file_system_internals/dump_database_handler.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_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_DUMP_DATABASE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_DUMP_DATABASE_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 class Profile;
 
 namespace syncfs_internals {
 
 class DumpDatabaseHandler : public content::WebUIMessageHandler {
  public:
   explicit DumpDatabaseHandler(Profile* profile);
-  virtual ~DumpDatabaseHandler();
+  ~DumpDatabaseHandler() override;
 
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
  private:
   void GetDatabaseDump(const base::ListValue* args);
   void DidGetDatabaseDump(const base::ListValue& list);
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(DumpDatabaseHandler);
 };
 
 }  // namespace syncfs_internals
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_DUMP_DATABASE_HANDLER_H_