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

chrome/browser/safe_browsing/incident_reporting/last_download_finder.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 CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_LAST_DOWNLOAD_FINDER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_LAST_DOWNLOAD_FINDER_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 24 matching lines @@
 // Finds the most recent executable downloaded by any on-the-record profile with
 // history that participates in safe browsing.
 class LastDownloadFinder : public content::NotificationObserver {
  public:
   // The type of a callback run by the finder upon completion. The argument is a
   // protobuf containing details of the download that was found, or an empty
   // pointer if none was found.
   typedef base::Callback<void(scoped_ptr<ClientIncidentReport_DownloadDetails>)>
       LastDownloadCallback;
 
-  virtual ~LastDownloadFinder();
+  ~LastDownloadFinder() override;
 
   // Initiates an asynchronous search for the most recent download. |callback|
   // will be run when the search is complete. The returned instance can be
   // deleted to terminate the search, in which case |callback| is not invoked.
   // Returns NULL without running |callback| if there are no eligible profiles
   // to search.
   static scoped_ptr<LastDownloadFinder> Create(
       const LastDownloadCallback& callback);
 
  protected:
@@ skipping 26 matching lines @@
       scoped_ptr<std::vector<history::DownloadRow> > downloads);
 
   // Removes the profile pointed to by |it| from profiles_ and reports results
   // if there are no more pending queries.
   void RemoveProfileAndReportIfDone(std::vector<Profile*>::iterator it);
 
   // Invokes the caller-supplied callback with the download found.
   void ReportResults();
 
   // content::NotificationObserver methods.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
   // Caller-supplied callback to be invoked when the most recent download is
   // found.
   LastDownloadCallback callback_;
 
   // The profiles for which a download query is pending.
   std::vector<Profile*> profiles_;
 
   // Registrar for observing profile lifecycle notifications.
   content::NotificationRegistrar notification_registrar_;
 
   // The most recent download, updated progressively as query results arrive.
   history::DownloadRow most_recent_row_;
 
   // A factory for asynchronous operations on profiles' HistoryService.
   base::WeakPtrFactory<LastDownloadFinder> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LastDownloadFinder);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_LAST_DOWNLOAD_FINDER_H_