replace OVERRIDE and FINAL with override and final in athena/

athena/extensions/public/extension_app_model_builder.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 ATHENA_EXTENSIONS_PUBLIC_EXTENSION_APP_MODEL_BUILDER_H_
 #define ATHENA_EXTENSIONS_PUBLIC_EXTENSION_APP_MODEL_BUILDER_H_
 
 #include "athena/home/public/app_model_builder.h"
 #include "base/macros.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace athena {
 
 class ATHENA_EXPORT ExtensionAppModelBuilder : public AppModelBuilder {
  public:
   explicit ExtensionAppModelBuilder(content::BrowserContext* browser_context);
   virtual ~ExtensionAppModelBuilder();
 
-  virtual void PopulateApps(app_list::AppListModel* model) OVERRIDE;
+  virtual void PopulateApps(app_list::AppListModel* model) override;
 
  private:
   content::BrowserContext* browser_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionAppModelBuilder);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_EXTENSIONS_PUBLIC_EXTENSION_APP_MODEL_BUILDER_H_