replace 'virtual ... OVERRIDE' with '... override'

base/win/enum_variant.h

 // Copyright (c) 2011 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 BASE_WIN_ENUM_VARIANT_H_
 #define BASE_WIN_ENUM_VARIANT_H_
 
 #include <unknwn.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/win/iunknown_impl.h"
 
 namespace base {
 namespace win {
 
 // A simple implementation of IEnumVARIANT.
 class BASE_EXPORT EnumVariant
   : public IEnumVARIANT,
     public IUnknownImpl {
  public:
   // The constructor allocates an array of size |count|. Then use
   // ItemAt to set the value of each item in the array to initialize it.
   explicit EnumVariant(unsigned long count);
 
   // Returns a mutable pointer to the item at position |index|.
   VARIANT* ItemAt(unsigned long index);
 
   // IUnknown.
-  ULONG STDMETHODCALLTYPE AddRef() OVERRIDE;
-  ULONG STDMETHODCALLTYPE Release() OVERRIDE;
-  STDMETHODIMP QueryInterface(REFIID riid, void** ppv) OVERRIDE;
+  ULONG STDMETHODCALLTYPE AddRef() override;
+  ULONG STDMETHODCALLTYPE Release() override;
+  STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override;
 
   // IEnumVARIANT.
   STDMETHODIMP Next(ULONG requested_count,
                     VARIANT* out_elements,
                     ULONG* out_elements_received);
   STDMETHODIMP Skip(ULONG skip_count);
   STDMETHODIMP Reset();
   STDMETHODIMP Clone(IEnumVARIANT** out_cloned_object);
 
  private:
   ~EnumVariant();
 
   scoped_ptr<VARIANT[]> items_;
   unsigned long count_;
   unsigned long current_index_;
 };
 
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_ENUM_VARIANT_H_