Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/html

Source/core/html/canvas/WebGLSharedWebGraphicsContext3D.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 WebGLSharedWebGraphicsContext3D_h
 #define WebGLSharedWebGraphicsContext3D_h
 
 #include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class WebGraphicsContext3D;
 class DrawingBuffer;
 
 #if ENABLE(OILPAN)
 // The attached WebGLContextObjects are finalized using the
 // blink::WebGraphicsContext3D object of this object's DrawingBuffer.
 // Naturally the DrawingBuffer must then be kept alive until those
 // finalizers have run. With Oilpan, accomplish that by having the
 // WebGLContextObjects keep a RefPtr<> to an off-heap object that
 // safely handles the eventual release of the underlying
 // DrawingBuffer.
-class WebGLSharedWebGraphicsContext3D FINAL : public RefCounted<WebGLSharedWebGraphicsContext3D> {
+class WebGLSharedWebGraphicsContext3D final : public RefCounted<WebGLSharedWebGraphicsContext3D> {
 public:
     static PassRefPtr<WebGLSharedWebGraphicsContext3D> create(PassRefPtr<DrawingBuffer>);
 
     ~WebGLSharedWebGraphicsContext3D();
 
     // Disposing and updating the underlying DrawingBuffer;
     // needed when handling loss and restoration of graphics contexts.
     void dispose();
     void update(PassRefPtr<DrawingBuffer>);
 
     DrawingBuffer* drawingBuffer() const;
 
     blink::WebGraphicsContext3D* webContext() const;
 private:
     explicit WebGLSharedWebGraphicsContext3D(PassRefPtr<DrawingBuffer>);
 
     RefPtr<DrawingBuffer> m_buffer;
 };
 #endif
 
 }
 
 #endif // WebGLSharedWebGraphicsContext3D_h