replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/zipfile_installer.h

 // Copyright 2014 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_EXTENSIONS_ZIPFILE_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_ZIPFILE_INSTALLER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 17 matching lines @@
 class ZipFileInstaller : public content::UtilityProcessHostClient {
  public:
   static scoped_refptr<ZipFileInstaller> Create(
       ExtensionService* extension_service);
 
   void LoadFromZipFile(const base::FilePath& path);
 
   void set_be_noisy_on_failure(bool value) { be_noisy_on_failure_ = value; }
 
   // UtilityProcessHostClient
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) override;
 
  private:
   explicit ZipFileInstaller(ExtensionService* extension_service);
   virtual ~ZipFileInstaller();
 
   void PrepareTempDir();
   void StartWorkOnIOThread(const base::FilePath& temp_dir);
   void ReportSuccessOnUIThread(const base::FilePath& unzipped_path);
   void ReportErrorOnUIThread(const std::string& error);
 
   void OnUnzipSucceeded(const base::FilePath& unzipped_path);
   void OnUnzipFailed(const std::string& error);
 
   bool be_noisy_on_failure_;
   base::WeakPtr<ExtensionService> extension_service_weak_;
   base::FilePath zip_path_;
 
   DISALLOW_COPY_AND_ASSIGN(ZipFileInstaller);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ZIPFILE_INSTALLER_H_