replace OVERRIDE and FINAL with override and final in extensions/

extensions/shell/browser/shell_omaha_query_params_delegate.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 EXTENSIONS_SHELL_BROWSER_SHELL_OMAHA_QUERY_PARAMS_DELEGATE_H_
 #define EXTENSIONS_SHELL_BROWSER_SHELL_OMAHA_QUERY_PARAMS_DELEGATE_H_
 
 #include "components/omaha_query_params/omaha_query_params_delegate.h"
 
 namespace extensions {
 
 class ShellOmahaQueryParamsDelegate
     : public omaha_query_params::OmahaQueryParamsDelegate {
  public:
   ShellOmahaQueryParamsDelegate();
   virtual ~ShellOmahaQueryParamsDelegate();
 
-  virtual std::string GetExtraParams() OVERRIDE;
+  virtual std::string GetExtraParams() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellOmahaQueryParamsDelegate);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_OMAHA_QUERY_PARAMS_DELEGATE_H_