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

chrome/browser/spellchecker/feedback_sender.h

 // Copyright (c) 2013 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.
 //
 // An object to record and send user feedback to spelling service. The spelling
 // service uses the feedback to improve its suggestions.
 //
 // Assigns uint32 hash identifiers to spelling suggestions from spelling service
 // and stores these suggestions. Records user's actions on these suggestions.
 // Periodically sends batches of user feedback to the spelling service.
@@ skipping 39 matching lines @@
 //                               existing_hashes);
 //    sender.SelectedSuggestion(hash, suggestion_index);
 class FeedbackSender : public base::SupportsWeakPtr<FeedbackSender>,
                        public net::URLFetcherDelegate {
  public:
   // Constructs a feedback sender. Keeps |request_context| in a scoped_refptr,
   // because URLRequestContextGetter implements RefcountedThreadSafe.
   FeedbackSender(net::URLRequestContextGetter* request_context,
                  const std::string& language,
                  const std::string& country);
-  virtual ~FeedbackSender();
+  ~FeedbackSender() override;
 
   // Records that user selected suggestion |suggestion_index| for the
   // misspelling identified by |hash|.
   void SelectedSuggestion(uint32 hash, int suggestion_index);
 
   // Records that user added the misspelling identified by |hash| to the
   // dictionary.
   void AddedToDictionary(uint32 hash);
 
   // Records that user right-clicked on the misspelling identified by |hash|,
@@ skipping 36 matching lines @@
   void StartFeedbackCollection();
 
   // Sends out all previously collected data and stops collecting feedback, if
   // it was being collected.
   void StopFeedbackCollection();
 
  private:
   friend class FeedbackSenderTest;
 
   // net::URLFetcherDelegate implementation. Takes ownership of |source|.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // Requests the document markers from all of the renderers to determine which
   // feedback can be finalized. Finalizes feedback for renderers that are gone.
   // Called periodically when |timer_| fires.
   void RequestDocumentMarkers();
 
   // Sends out all feedback data. Resets the session-start timestamp to now.
   // Restarts the timer that requests markers from the renderers.
   void FlushFeedback();
 
@@ skipping 40 matching lines @@
   // If a sender is destroyed before it finishes, then sending feedback will be
   // canceled.
   ScopedVector<net::URLFetcher> senders_;
 
   DISALLOW_COPY_AND_ASSIGN(FeedbackSender);
 };
 
 }  // namespace spellcheck
 
 #endif  // CHROME_BROWSER_SPELLCHECKER_FEEDBACK_SENDER_H_