Replacing the OVERRIDE with override in third_party/WebKit/Source/platform

Source/platform/graphics/filters/ReferenceFilter.h

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
@@ skipping 30 matching lines @@
 class SourceGraphic;
 class FilterEffect;
 
 class PLATFORM_EXPORT ReferenceFilter: public Filter {
 public:
     static PassRefPtr<ReferenceFilter> create()
     {
         return adoptRef(new ReferenceFilter());
     }
 
-    virtual IntRect sourceImageRect() const OVERRIDE { return IntRect(); };
+    virtual IntRect sourceImageRect() const override { return IntRect(); };
 
     void setLastEffect(PassRefPtr<FilterEffect>);
     FilterEffect* lastEffect() const { return m_lastEffect.get(); }
 
     SourceGraphic* sourceGraphic() const { return m_sourceGraphic.get(); }
 
 private:
     ReferenceFilter();
     virtual ~ReferenceFilter();
 
     RefPtr<SourceGraphic> m_sourceGraphic;
     RefPtr<FilterEffect> m_lastEffect;
 };
 
 } // namespace blink
 
 #endif // ReferenceFilter_h