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

chrome/browser/sync/profile_sync_components_factory_impl.cc

 // 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.
 
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
 #include "chrome/browser/history/history_service.h"
@@ skipping 570 matching lines @@
 }
 
 class TokenServiceProvider
     : public OAuth2TokenServiceRequest::TokenServiceProvider {
  public:
   TokenServiceProvider(
       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
       OAuth2TokenService* token_service);
 
   // OAuth2TokenServiceRequest::TokenServiceProvider implementation.
-  virtual scoped_refptr<base::SingleThreadTaskRunner>
-      GetTokenServiceTaskRunner() override;
-  virtual OAuth2TokenService* GetTokenService() override;
+  scoped_refptr<base::SingleThreadTaskRunner> GetTokenServiceTaskRunner()
+      override;
+  OAuth2TokenService* GetTokenService() override;
 
  private:
-  virtual ~TokenServiceProvider();
+  ~TokenServiceProvider() override;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   OAuth2TokenService* token_service_;
 };
 
 TokenServiceProvider::TokenServiceProvider(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     OAuth2TokenService* token_service)
     : task_runner_(task_runner), token_service_(token_service) {
 }
@@ skipping 101 matching lines @@
       new TypedUrlModelAssociator(profile_sync_service,
                                   history_backend,
                                   error_handler);
   TypedUrlChangeProcessor* change_processor =
       new TypedUrlChangeProcessor(profile_,
                                   model_associator,
                                   history_backend,
                                   error_handler);
   return SyncComponents(model_associator, change_processor);
 }