Standardize usage of virtual/override/final in apps/

apps/saved_files_service.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 APPS_SAVED_FILES_SERVICE_H_
 #define APPS_SAVED_FILES_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 42 matching lines @@
   // that the entry is not in the LRU.
   int sequence_number;
 };
 
 // Tracks the files that apps have retained access to both while running and
 // when suspended.
 class SavedFilesService : public KeyedService,
                           public content::NotificationObserver {
  public:
   explicit SavedFilesService(Profile* profile);
-  virtual ~SavedFilesService();
+  ~SavedFilesService() override;
 
   static SavedFilesService* Get(Profile* profile);
 
   // Registers a file entry with the saved files service, making it eligible to
   // be put into the queue. File entries that are in the retained files queue at
   // object construction are automatically registered.
   void RegisterFileEntry(const std::string& extension_id,
                          const std::string& id,
                          const base::FilePath& file_path,
                          bool is_directory);
@@ skipping 28 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(::SavedFilesServiceUnitTest, RetainTwoFilesTest);
   FRIEND_TEST_ALL_PREFIXES(::SavedFilesServiceUnitTest, EvictionTest);
   FRIEND_TEST_ALL_PREFIXES(::SavedFilesServiceUnitTest,
                            SequenceNumberCompactionTest);
   friend class ::SavedFilesServiceUnitTest;
 
   // A container for the registered files for an app.
   class SavedFiles;
 
   // content::NotificationObserver.
-  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;
 
   // Returns the SavedFiles for |extension_id| or NULL if one does not exist.
   SavedFiles* Get(const std::string& extension_id) const;
 
   // Returns the SavedFiles for |extension_id|, creating it if necessary.
   SavedFiles* GetOrInsert(const std::string& extension_id);
 
   // Clears the SavedFiles for |extension_id|.
   void Clear(const std::string& extension_id);
 
   static void SetMaxSequenceNumberForTest(int max_value);
   static void ClearMaxSequenceNumberForTest();
   static void SetLruSizeForTest(int size);
   static void ClearLruSizeForTest();
 
   std::map<std::string, SavedFiles*> extension_id_to_saved_files_;
   STLValueDeleter<std::map<std::string, SavedFiles*> >
       extension_id_to_saved_files_deleter_;
   content::NotificationRegistrar registrar_;
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(SavedFilesService);
 };
 
 }  // namespace apps
 
 #endif  // APPS_SAVED_FILES_SERVICE_H_