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

chrome/browser/safe_browsing/malware_details_history.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_SAFE_BROWSING_MALWARE_DETAILS_HISTORY_H_
 #define CHROME_BROWSER_SAFE_BROWSING_MALWARE_DETAILS_HISTORY_H_
 
 // This class gets redirect chain for urls from the history service.
 
 #include <string>
@@ skipping 29 matching lines @@
   void StartHistoryCollection(const std::vector<GURL>& urls,
                               const base::Closure& callback);
 
   // Returns whether or not StartCacheCollection has been called.
   bool HasStarted() const;
 
   // Returns the redirect urls we get from history service
   const std::vector<safe_browsing::RedirectChain>& GetCollectedUrls() const;
 
   // content::NotificationObserver
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
  private:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::UI>;
   friend class base::DeleteHelper<MalwareDetailsRedirectsCollector>;
 
-  virtual ~MalwareDetailsRedirectsCollector();
+  ~MalwareDetailsRedirectsCollector() override;
 
   void StartGetRedirects(const std::vector<GURL>& urls);
   void GetRedirects(const GURL& url);
   void OnGotQueryRedirectsTo(const GURL& url,
                              const history::RedirectList* redirect_list);
 
   // Posts the callback method back to IO thread when redirects collecting
   // is all done.
   void AllDone();
 
@@ skipping 13 matching lines @@
   std::vector<GURL>::iterator urls_it_;
   // The collected directs from history service
   std::vector<safe_browsing::RedirectChain> redirects_urls_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(MalwareDetailsRedirectsCollector);
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_MALWARE_DETAILS_HISTORY_H_