Standardize usage of virtual/override/final in net/

net/url_request/url_range_request_job.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 NET_URL_REQUEST_URL_RANGE_REQUEST_JOB_H_
 #define NET_URL_REQUEST_URL_RANGE_REQUEST_JOB_H_
 
 #include <vector>
 
 #include "net/base/net_export.h"
 #include "net/http/http_byte_range.h"
 #include "net/url_request/url_request_job.h"
 
 namespace net {
 
 class HttpRequestHeaders;
 
 // URLRequestJob with support for parsing range requests.
 // It is up to subclasses to handle the response
 // and deal with an errors parsing the range request header.
 // This must be done after Start() has been called.
 class NET_EXPORT URLRangeRequestJob : public URLRequestJob {
  public:
   URLRangeRequestJob(URLRequest* request,
                      NetworkDelegate* delegate);
 
-  virtual void SetExtraRequestHeaders(
-      const HttpRequestHeaders& headers) override;
+  void SetExtraRequestHeaders(const HttpRequestHeaders& headers) override;
 
   const std::vector<HttpByteRange>& ranges() const { return ranges_; }
   int range_parse_result() const { return range_parse_result_; }
 
  protected:
-  virtual ~URLRangeRequestJob();
+  ~URLRangeRequestJob() override;
 
  private:
   std::vector<HttpByteRange> ranges_;
   int range_parse_result_;
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_RANGE_REQUEST_JOB_H_