replace OVERRIDE and FINAL with override and final in athena/

athena/extensions/chrome/athena_chrome_app_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 ATHENA_EXTENSIONS_CHROME_ATHENA_CHROME_APP_DELEGATE_H_
 #define ATHENA_EXTENSIONS_CHROME_ATHENA_CHROME_APP_DELEGATE_H_
 
 #include "athena/extensions/athena_app_delegate_base.h"
 
 namespace athena {
 
 class AthenaChromeAppDelegate : public AthenaAppDelegateBase {
  public:
   AthenaChromeAppDelegate();
   virtual ~AthenaChromeAppDelegate();
 
  private:
   // extensions::AppDelegate:
-  virtual void InitWebContents(content::WebContents* web_contents) OVERRIDE;
+  virtual void InitWebContents(content::WebContents* web_contents) override;
   virtual content::ColorChooser* ShowColorChooser(
       content::WebContents* web_contents,
-      SkColor initial_color) OVERRIDE;
+      SkColor initial_color) override;
   virtual void RunFileChooser(
       content::WebContents* tab,
-      const content::FileChooserParams& params) OVERRIDE;
+      const content::FileChooserParams& params) override;
   virtual void RequestMediaAccessPermission(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback,
-      const extensions::Extension* extension) OVERRIDE;
+      const extensions::Extension* extension) override;
   virtual bool CheckMediaAccessPermission(
       content::WebContents* web_contents,
       const GURL& security_origin,
       content::MediaStreamType type,
-      const extensions::Extension* extension) OVERRIDE;
+      const extensions::Extension* extension) override;
   virtual void SetWebContentsBlocked(content::WebContents* web_contents,
-                                     bool blocked) OVERRIDE;
+                                     bool blocked) override;
 
   DISALLOW_COPY_AND_ASSIGN(AthenaChromeAppDelegate);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_EXTENSIONS_CHROME_ATHENA_CHROME_APP_DELEGATE_H_