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

chrome/browser/safe_browsing/sandboxed_zip_analyzer.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.
 //
 // Browser-side interface to analyze zip files for SafeBrowsing download
 // protection.  The actual zip decoding is performed in a sandboxed utility
 // process.
 //
 // This class lives on the UI thread.
 
@@ skipping 22 matching lines @@
   // Callback that is invoked when the analysis results are ready.
   typedef base::Callback<void(const zip_analyzer::Results&)> ResultCallback;
 
   SandboxedZipAnalyzer(const base::FilePath& zip_file,
                        const ResultCallback& result_callback);
 
   // Posts a task to start the zip analysis in the utility process.
   void Start();
 
  private:
-  virtual ~SandboxedZipAnalyzer();
+  ~SandboxedZipAnalyzer() override;
 
   // Creates the sandboxed utility process and tells it to start analysis.
   // Runs on a worker thread.
   void AnalyzeInSandbox();
 
   // content::UtilityProcessHostClient implementation.
   // These notifications run on the IO thread.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // Notification that the utility process is running, and we can now get its
   // process handle.
   void OnUtilityProcessStarted();
 
   // Notification from the utility process that the zip file has been analyzed,
   // with the given results.  Runs on the IO thread.
   void OnAnalyzeZipFileFinished(const zip_analyzer::Results& results);
 
   // Launches the utility process.  Must run on the IO thread.
   void StartProcessOnIOThread();
 
   const base::FilePath zip_file_name_;
   // Once we have opened the file, we store the handle so that we can use it
   // once the utility process has launched.
   base::File zip_file_;
   base::WeakPtr<content::UtilityProcessHost> utility_process_host_;
   const ResultCallback callback_;
   // Initialized on the UI thread, but only accessed on the IO thread.
   bool callback_called_;
 
   DISALLOW_COPY_AND_ASSIGN(SandboxedZipAnalyzer);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SANDBOXED_ZIP_ANALYZER_H_