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

chrome/browser/safe_browsing/malware_details.h

 // Copyright (c) 2011 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_H_
 #define CHROME_BROWSER_SAFE_BROWSING_MALWARE_DETAILS_H_
 
 // A class that encapsulates the detailed malware reports sent when
 // users opt-in to do so from the malware warning page.
 
@@ skipping 52 matching lines @@
   // the report. We start the redirection urls collection from history service
   // in UI thread; then do cache collection back in IO thread.
   // When we are done, we send the report.
   void FinishCollection();
 
   void OnCacheCollectionReady();
 
   void OnRedirectionCollectionReady();
 
   // content::WebContentsObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
  protected:
   friend class MalwareDetailsFactoryImpl;
 
   MalwareDetails(SafeBrowsingUIManager* ui_manager,
                  content::WebContents* web_contents,
                  const UnsafeResource& resource);
 
-  virtual ~MalwareDetails();
+  ~MalwareDetails() override;
 
   // Called on the IO thread with the DOM details.
   virtual void AddDOMDetails(
       const std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>& params);
 
   Profile* profile_;
 
   // The report protocol buffer.
   scoped_ptr<safe_browsing::ClientMalwareReportRequest> report_;
 
@@ skipping 63 matching lines @@
  public:
   virtual ~MalwareDetailsFactory() { }
 
   virtual MalwareDetails* CreateMalwareDetails(
       SafeBrowsingUIManager* ui_manager,
       content::WebContents* web_contents,
       const SafeBrowsingUIManager::UnsafeResource& unsafe_resource) = 0;
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_MALWARE_DETAILS_H_