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

chrome/browser/extensions/external_component_loader.h

 // Copyright (c) 2013 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_EXTERNAL_COMPONENT_LOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_COMPONENT_LOADER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 11 matching lines @@
 // Instances of this class are expected to be created and destroyed on the UI
 // thread and they are expecting public method calls from the UI thread.
 class ExternalComponentLoader : public ExternalLoader {
  public:
   explicit ExternalComponentLoader(Profile* profile);
 
   // True if |extension| should be modifiable by the user.
   static bool IsModifiable(const extensions::Extension* extension);
 
  protected:
-  virtual void StartLoading() OVERRIDE;
+  virtual void StartLoading() override;
 
  private:
   friend class base::RefCountedThreadSafe<ExternalLoader>;
   virtual ~ExternalComponentLoader();
 
   // The profile that this loader is associated with. It listens for
   // preference changes for that profile.
   Profile* profile_;
   DISALLOW_COPY_AND_ASSIGN(ExternalComponentLoader);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_COMPONENT_LOADER_H_