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

chrome/browser/media_galleries/fileapi/safe_media_metadata_parser.h

 // Copyright 2014 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_MEDIA_GALLERIES_FILEAPI_SAFE_MEDIA_METADATA_PARSER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SAFE_MEDIA_METADATA_PARSER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 35 matching lines @@
   void Start(const DoneCallback& callback);
 
  private:
   enum ParserState {
     INITIAL_STATE,
     STARTED_PARSING_STATE,
     FINISHED_PARSING_STATE,
   };
 
   // Private because content::UtilityProcessHostClient is ref-counted.
-  virtual ~SafeMediaMetadataParser();
+  ~SafeMediaMetadataParser() override;
 
   // Launches the utility process.  Must run on the IO thread.
   void StartWorkOnIOThread(const DoneCallback& callback);
 
   // Notification from the utility process when it finishes parsing metadata.
   // Runs on the IO thread.
   void OnParseMediaMetadataFinished(
       bool parse_success, const base::DictionaryValue& metadata_dictionary,
       const std::vector<AttachedImage>& attached_images);
 
   // Sequence of functions that bounces from the IO thread to the UI thread to
   // read the blob data, then sends the data back to the utility process.
   void OnUtilityProcessRequestBlobBytes(int64 request_id, int64 byte_start,
                                         int64 length);
   void StartBlobReaderOnUIThread(int64 request_id, int64 byte_start,
                                  int64 length);
   void OnBlobReaderDoneOnUIThread(int64 request_id,
                                   scoped_ptr<std::string> data,
                                   int64 /* blob_total_size */);
   void FinishRequestBlobBytes(int64 request_id, scoped_ptr<std::string> data);
 
   // UtilityProcessHostClient implementation.
   // Runs on the IO thread.
-  virtual void OnProcessCrashed(int exit_code) override;
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  void OnProcessCrashed(int exit_code) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // All member variables are only accessed on the IO thread.
   Profile* const profile_;
   const std::string blob_uuid_;
   const int64 blob_size_;
   const std::string mime_type_;
   bool get_attached_images_;
 
   DoneCallback callback_;
 
   base::WeakPtr<content::UtilityProcessHost> utility_process_host_;
 
   // Verifies the messages from the utility process came at the right time.
   // Initialized on the UI thread, but only accessed on the IO thread.
   ParserState parser_state_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeMediaMetadataParser);
 };
 
 }  // namespace metadata
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SAFE_MEDIA_METADATA_PARSER_H_