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

chrome/browser/download/download_history.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_DOWNLOAD_DOWNLOAD_HISTORY_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_HISTORY_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 62 matching lines @@
   // restored from history.
   static bool IsPersisted(const content::DownloadItem* item);
 
   // Neither |manager| nor |history| may be NULL.
   // DownloadService creates DownloadHistory some time after DownloadManager is
   // created and destroys DownloadHistory as DownloadManager is shutting down.
   DownloadHistory(
       content::DownloadManager* manager,
       scoped_ptr<HistoryAdapter> history);
 
-  virtual ~DownloadHistory();
+  ~DownloadHistory() override;
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Returns true if the download was restored from history. Safe to call from
   // within a DownloadManager::Observer::OnDownloadCreated handler and can be
   // used to distinguish between downloads that were created due to new requests
   // vs. downloads that were created due to being restored from history. Note
   // that the return value is only reliable for downloads that were restored by
   // this specific DownloadHistory instance.
   bool WasRestoredFromHistory(const content::DownloadItem* item) const;
 
  private:
   typedef std::set<content::DownloadItem*> ItemSet;
 
   // Callback from |history_| containing all entries in the downloads database
   // table.
   void QueryCallback(
       scoped_ptr<std::vector<history::DownloadRow> > infos);
 
   // May add |item| to |history_|.
   void MaybeAddToHistory(content::DownloadItem* item);
 
   // Callback from |history_| when an item was successfully inserted into the
   // database.
   void ItemAdded(uint32 id, bool success);
 
   // AllDownloadItemNotifier::Observer
-  virtual void OnDownloadCreated(
-      content::DownloadManager* manager, content::DownloadItem* item) override;
-  virtual void OnDownloadUpdated(
-      content::DownloadManager* manager, content::DownloadItem* item) override;
-  virtual void OnDownloadOpened(
-      content::DownloadManager* manager, content::DownloadItem* item) override;
-  virtual void OnDownloadRemoved(
-      content::DownloadManager* manager, content::DownloadItem* item) override;
+  void OnDownloadCreated(content::DownloadManager* manager,
+                         content::DownloadItem* item) override;
+  void OnDownloadUpdated(content::DownloadManager* manager,
+                         content::DownloadItem* item) override;
+  void OnDownloadOpened(content::DownloadManager* manager,
+                        content::DownloadItem* item) override;
+  void OnDownloadRemoved(content::DownloadManager* manager,
+                         content::DownloadItem* item) override;
 
   // Schedule a record to be removed from |history_| the next time
   // RemoveDownloadsBatch() runs. Schedule RemoveDownloadsBatch() to be run soon
   // if it isn't already scheduled.
   void ScheduleRemoveDownload(uint32 download_id);
 
   // Removes all |removing_ids_| from |history_|.
   void RemoveDownloadsBatch();
 
   AllDownloadItemNotifier notifier_;
@@ skipping 19 matching lines @@
   int64 history_size_;
 
   ObserverList<Observer> observers_;
 
   base::WeakPtrFactory<DownloadHistory> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadHistory);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_HISTORY_H_