Standardize usage of virtual/override/final in chrome/

chrome/utility/profile_import_handler.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_PROFILE_IMPORT_HANDLER_H_
 #define CHROME_UTILITY_PROFILE_IMPORT_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/utility/utility_message_handler.h"
 
 class ExternalProcessImporterBridge;
 class Importer;
 
 namespace base {
 class DictionaryValue;
 class Thread;
 }
 
 namespace importer {
 struct SourceProfile;
 }
 
 // Dispatches IPCs for out of process profile import.
 class ProfileImportHandler : public UtilityMessageHandler {
  public:
   ProfileImportHandler();
-  virtual ~ProfileImportHandler();
+  ~ProfileImportHandler() override;
 
   // IPC::Listener:
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
  private:
   void OnImportStart(
       const importer::SourceProfile& source_profile,
       uint16 items,
       const base::DictionaryValue& localized_strings);
   void OnImportCancel();
   void OnImportItemFinished(uint16 item);
 
   // The following are used with out of process profile import:
   void ImporterCleanup();
 
   // Thread that importer runs on, while ProfileImportThread handles messages
   // from the browser process.
   scoped_ptr<base::Thread> import_thread_;
 
   // Bridge object is passed to importer, so that it can send IPC calls
   // directly back to the ProfileImportProcessHost.
   scoped_refptr<ExternalProcessImporterBridge> bridge_;
 
   // A bitmask of importer::ImportItem.
   uint16 items_to_import_;
 
   // Importer of the appropriate type (Firefox, Safari, IE, etc.)
   scoped_refptr<Importer> importer_;
 };
 
 #endif  // CHROME_UTILITY_PROFILE_IMPORT_HANDLER_H_