Standardize usage of virtual/override/final in content/browser/

content/browser/indexed_db/indexed_db_internals_ui.h

 // Copyright (c) 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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_INTERNALS_UI_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_INTERNALS_UI_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "content/public/browser/indexed_db_context.h"
 #include "content/public/browser/web_ui_controller.h"
 
 namespace base {
 class ListValue;
 }
 
 namespace content {
 
 class DownloadItem;
 class IndexedDBContextImpl;
 class StoragePartition;
 
 // The implementation for the chrome://indexeddb-internals page.
 class IndexedDBInternalsUI : public WebUIController {
  public:
   explicit IndexedDBInternalsUI(WebUI* web_ui);
-  virtual ~IndexedDBInternalsUI();
+  ~IndexedDBInternalsUI() override;
 
  private:
   void GetAllOrigins(const base::ListValue* args);
   void GetAllOriginsOnIndexedDBThread(scoped_refptr<IndexedDBContext> context,
                                       const base::FilePath& context_path);
   void OnOriginsReady(scoped_ptr<base::ListValue> origins,
                       const base::FilePath& path);
 
   void AddContextFromStoragePartition(StoragePartition* partition);
 
@@ skipping 29 matching lines @@
                      base::FilePath* path,
                      GURL* origin_url,
                      scoped_refptr<IndexedDBContextImpl>* context);
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBInternalsUI);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_INTERNALS_UI_H_