Standardize usage of virtual/override/final in components/

components/translate/core/browser/translate_url_fetcher.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 COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_URL_FETCHER_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_URL_FETCHER_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/url_request/url_fetcher_delegate.h"
@@ skipping 10 matching lines @@
 
   // Represents internal state if the fetch is completed successfully.
   enum State {
     IDLE,        // No fetch request was issued.
     REQUESTING,  // A fetch request was issued, but not finished yet.
     COMPLETED,   // The last fetch request was finished successfully.
     FAILED,      // The last fetch request was finished with a failure.
   };
 
   explicit TranslateURLFetcher(int id);
-  virtual ~TranslateURLFetcher();
+  ~TranslateURLFetcher() override;
 
   int max_retry_on_5xx() {
     return max_retry_on_5xx_;
   }
   void set_max_retry_on_5xx(int count) {
     max_retry_on_5xx_ = count;
   }
 
   const std::string& extra_request_header() {
     return extra_request_header_;
   }
   void set_extra_request_header(const std::string& header) {
     extra_request_header_ = header;
   }
 
   // Requests to |url|. |callback| will be invoked when the function returns
   // true, and the request is finished asynchronously.
   // Returns false if the previous request is not finished, or the request
   // is omitted due to retry limitation.
   bool Request(const GURL& url, const Callback& callback);
 
   // Gets internal state.
   State state() { return state_; }
 
   // net::URLFetcherDelegate implementation:
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
 
  private:
   // URL to send the request.
   GURL url_;
 
   // ID which is assigned to the URLFetcher.
   const int id_;
 
   // Internal state.
   enum State state_;
@@ skipping 13 matching lines @@
 
   // An extra HTTP request header
   std::string extra_request_header_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateURLFetcher);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_URL_FETCHER_H_