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

chrome/browser/extensions/favicon_downloader.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_FAVICON_DOWNLOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_FAVICON_DOWNLOADER_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 19 matching lines @@
   typedef base::Callback<void(
           bool,  /* success */
           /* A map of icon urls to the bitmaps provided by that url. */
           const FaviconMap&)>
       FaviconDownloaderCallback;
   // |extra_favicon_urls| allows callers to provide icon urls that aren't
   // |provided by the renderer (e.g touch icons on non-android environments).
   FaviconDownloader(content::WebContents* web_contents,
                     const std::vector<GURL>& extra_favicon_urls,
                     FaviconDownloaderCallback callback);
-  virtual ~FaviconDownloader();
+  ~FaviconDownloader() override;
 
   void Start();
 
  private:
   friend class TestFaviconDownloader;
 
   // Initiates a download of the image at |url| and returns the download id.
   // This is overridden in testing.
   virtual int DownloadImage(const GURL& url);
 
   // Queries FaviconTabHelper for the page's current favicon URLs.
   // This is overridden in testing.
   virtual std::vector<content::FaviconURL> GetFaviconURLsFromWebContents();
 
   // Fetches icons for the given urls.
   // |callback_| is run when all downloads complete.
   void FetchIcons(const std::vector<content::FaviconURL>& favicon_urls);
   void FetchIcons(const std::vector<GURL>& urls);
 
   // Icon download callback.
   void DidDownloadFavicon(int id,
                           int http_status_code,
                           const GURL& image_url,
                           const std::vector<SkBitmap>& bitmaps,
                           const std::vector<gfx::Size>& original_bitmap_sizes);
 
   // content::WebContentsObserver overrides:
-  virtual void DidNavigateMainFrame(
+  void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) override;
-  virtual void DidUpdateFaviconURL(
+  void DidUpdateFaviconURL(
       const std::vector<content::FaviconURL>& candidates) override;
 
   // Whether we have received favicons from the renderer.
   bool got_favicon_urls_;
 
   // URLs that aren't given by WebContentsObserver::DidUpdateFaviconURL() that
   // should be used for this favicon. This is necessary in order to get touch
   // icons on non-android environments.
   std::vector<GURL> extra_favicon_urls_;
 
   // The icons which were downloaded. Populated by FetchIcons().
   FaviconMap favicon_map_;
 
   // Request ids of in-progress requests.
   std::set<int> in_progress_requests_;
 
   // Urls for which a download has already been initiated. Used to prevent
   // duplicate downloads of the same url.
   std::set<GURL> processed_urls_;
 
   // Callback to run on favicon download completion.
   FaviconDownloaderCallback callback_;
 
   base::WeakPtrFactory<FaviconDownloader> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FaviconDownloader);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_FAVICON_DOWNLOADER_H_