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

chrome/browser/ui/webui/ntp/thumbnail_source.h

 // Copyright (c) 2012 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_UI_WEBUI_NTP_THUMBNAIL_SOURCE_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_THUMBNAIL_SOURCE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 10 matching lines @@
 class ThumbnailService;
 }
 
 // ThumbnailSource is the gateway between network-level chrome: requests for
 // thumbnails and the history/top-sites backend that serves these.
 class ThumbnailSource : public content::URLDataSource {
  public:
   ThumbnailSource(Profile* profile, bool capture_thumbnails);
 
   // content::URLDataSource implementation.
-  virtual std::string GetSource() const override;
-  virtual void StartDataRequest(
+  std::string GetSource() const override;
+  void StartDataRequest(
       const std::string& path,
       int render_process_id,
       int render_frame_id,
       const content::URLDataSource::GotDataCallback& callback) override;
-  virtual std::string GetMimeType(const std::string& path) const override;
-  virtual base::MessageLoop* MessageLoopForRequestPath(
+  std::string GetMimeType(const std::string& path) const override;
+  base::MessageLoop* MessageLoopForRequestPath(
       const std::string& path) const override;
-  virtual bool ShouldServiceRequest(
-      const net::URLRequest* request) const override;
+  bool ShouldServiceRequest(const net::URLRequest* request) const override;
 
  private:
-  virtual ~ThumbnailSource();
+  ~ThumbnailSource() override;
 
   // Raw PNG representation of the thumbnail to show when the thumbnail
   // database doesn't have a thumbnail for a webpage.
   scoped_refptr<base::RefCountedMemory> default_thumbnail_;
 
   // ThumbnailService.
   scoped_refptr<thumbnails::ThumbnailService> thumbnail_service_;
 
   // Only used when servicing requests on the UI thread.
   Profile* const profile_;
 
   // Indicate that, when a URL for which we don't have a thumbnail is requested
   // from this source, then Chrome should capture a thumbnail next time it
   // navigates to this URL. This is useful when the thumbnail URLs are generated
   // by an external service rather than TopSites, so Chrome can learn about the
   // URLs for which it should get thumbnails. Sources that capture thumbnails
   // are also be more lenient when matching thumbnail URLs by checking for
   // existing thumbnails in the database that contain a URL matching the prefix
   // of the requested URL.
   const bool capture_thumbnails_;
 
   DISALLOW_COPY_AND_ASSIGN(ThumbnailSource);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_THUMBNAIL_SOURCE_H_