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

chrome/browser/extensions/api/idltest/idltest_api.h

 // Copyright (c) 2012 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_API_IDLTEST_IDLTEST_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_IDLTEST_IDLTEST_API_H_
 
 #include "extensions/browser/extension_function.h"
 
 class IdltestSendArrayBufferFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("idltest.sendArrayBuffer", IDLTEST_SENDARRAYBUFFER)
 
  protected:
   virtual ~IdltestSendArrayBufferFunction() {}
-  virtual bool RunSync() OVERRIDE;
+  virtual bool RunSync() override;
 };
 
 class IdltestSendArrayBufferViewFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("idltest.sendArrayBufferView",
                              IDLTEST_SENDARRAYBUFFERVIEW)
 
  protected:
   virtual ~IdltestSendArrayBufferViewFunction() {}
-  virtual bool RunSync() OVERRIDE;
+  virtual bool RunSync() override;
 };
 
 class IdltestGetArrayBufferFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("idltest.getArrayBuffer", IDLTEST_GETARRAYBUFFER)
 
  protected:
   virtual ~IdltestGetArrayBufferFunction() {}
-  virtual bool RunSync() OVERRIDE;
+  virtual bool RunSync() override;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_IDLTEST_IDLTEST_API_H_