Update HTML canvas classes to use OVERRIDE / FINAL when needed

Source/core/html/canvas/WebGLTexture.h

 /*
  * Copyright (C) 2009 Apple 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 disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef WebGLTexture_h
 #define WebGLTexture_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/html/canvas/WebGLSharedObject.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class WebGLTexture : public WebGLSharedObject, public ScriptWrappable {
+class WebGLTexture FINAL : public WebGLSharedObject, public ScriptWrappable {
 public:
     enum TextureExtensionFlag {
         NoTextureExtensionEnabled = 0,
         TextureFloatLinearExtensionEnabled = 1 << 0,
         TextureHalfFloatLinearExtensionEnabled = 1 << 1
     };
     virtual ~WebGLTexture();
 
     static PassRefPtr<WebGLTexture> create(WebGLRenderingContext*);
 
@@ skipping 24 matching lines @@
     // Determine if texture sampling should always return [0, 0, 0, 1] (OpenGL ES 2.0 Sec 3.8.2).
     bool needToUseBlackTexture(TextureExtensionFlag) const;
 
     bool hasEverBeenBound() const { return object() && m_target; }
 
     static GLint computeLevelCount(GLsizei width, GLsizei height);
 
 protected:
     WebGLTexture(WebGLRenderingContext*);
 
-    virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject);
+    virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject) OVERRIDE;
 
 private:
     class LevelInfo {
     public:
         LevelInfo()
             : valid(false)
             , internalFormat(0)
             , width(0)
             , height(0)
             , type(0)
         {
         }
 
         void setInfo(GLenum internalFmt, GLsizei w, GLsizei h, GLenum tp)
         {
             valid = true;
             internalFormat = internalFmt;
             width = w;
             height = h;
             type = tp;
         }
 
         bool valid;
         GLenum internalFormat;
         GLsizei width;
         GLsizei height;
         GLenum type;
     };
 
-    virtual bool isTexture() const { return true; }
+    virtual bool isTexture() const OVERRIDE { return true; }
 
     void update();
 
     int mapTargetToIndex(GLenum) const;
 
     const LevelInfo* getLevelInfo(GLenum target, GLint level) const;
 
     GLenum m_target;
 
     GLenum m_minFilter;
     GLenum m_magFilter;
     GLenum m_wrapS;
     GLenum m_wrapT;
 
     Vector<Vector<LevelInfo> > m_info;
 
     bool m_isNPOT;
     bool m_isCubeComplete;
     bool m_isComplete;
     bool m_needToUseBlackTexture;
     bool m_isFloatType;
     bool m_isHalfFloatType;
 };
 
 } // namespace WebCore
 
 #endif // WebGLTexture_h