Standardize usage of virtual/override/final in chrome/

chrome/utility/importer/safari_importer.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_UTILITY_IMPORTER_SAFARI_IMPORTER_H_
 #define CHROME_UTILITY_IMPORTER_SAFARI_IMPORTER_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 22 matching lines @@
 }
 
 // Importer for Safari on OS X.
 class SafariImporter : public Importer {
  public:
   // |library_dir| is the full path to the ~/Library directory,
   // We pass it in as a parameter for testing purposes.
   explicit SafariImporter(const base::FilePath& library_dir);
 
   // Importer:
-  virtual void StartImport(const importer::SourceProfile& source_profile,
-                           uint16 items,
-                           ImporterBridge* bridge) override;
+  void StartImport(const importer::SourceProfile& source_profile,
+                   uint16 items,
+                   ImporterBridge* bridge) override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(SafariImporterTest, BookmarkImport);
   FRIEND_TEST_ALL_PREFIXES(SafariImporterTest,
                            BookmarkImportWithEmptyBookmarksMenu);
   FRIEND_TEST_ALL_PREFIXES(SafariImporterTest, FaviconImport);
   FRIEND_TEST_ALL_PREFIXES(SafariImporterTest, HistoryImport);
 
-  virtual ~SafariImporter();
+  ~SafariImporter() override;
 
   // Multiple URLs can share the same favicon; this is a map
   // of URLs -> IconIDs that we load as a temporary step before
   // actually loading the icons.
   typedef std::map<int64, std::set<GURL> > FaviconMap;
 
   void ImportBookmarks();
   void ImportPasswords();
   void ImportHistory();
 
@@ skipping 30 matching lines @@
   void LoadFaviconData(sql::Connection* db,
                        const FaviconMap& favicon_map,
                        std::vector<ImportedFaviconUsage>* favicons);
 
   base::FilePath library_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(SafariImporter);
 };
 
 #endif  // CHROME_UTILITY_IMPORTER_SAFARI_IMPORTER_H_