Update HTML canvas classes to use OVERRIDE / FINAL when needed

Source/core/html/canvas/WebGLRenderingContext.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 74 matching lines @@
 class WebGLShader;
 class WebGLShaderPrecisionFormat;
 class WebGLSharedObject;
 class WebGLTexture;
 class WebGLUniformLocation;
 class WebGLVertexArrayObjectOES;
 
 class WebGLRenderingContextLostCallback;
 class WebGLRenderingContextErrorMessageCallback;
 
-class WebGLRenderingContext : public CanvasRenderingContext, public ActiveDOMObject, private Page::MultisamplingChangedObserver {
+class WebGLRenderingContext FINAL : public CanvasRenderingContext, public ActiveDOMObject, private Page::MultisamplingChangedObserver {
 public:
     static PassOwnPtr<WebGLRenderingContext> create(HTMLCanvasElement*, WebGLContextAttributes*);
     virtual ~WebGLRenderingContext();
 
     virtual bool is3d() const { return true; }
-    virtual bool isAccelerated() const { return true; }
+    virtual bool isAccelerated() const OVERRIDE { return true; }
 
     int drawingBufferWidth() const;
     int drawingBufferHeight() const;
 
     void activeTexture(GLenum texture);
     void attachShader(WebGLProgram*, WebGLShader*);
     void bindAttribLocation(WebGLProgram*, GLuint index, const String& name);
     void bindBuffer(GLenum target, WebGLBuffer*);
     void bindFramebuffer(GLenum target, WebGLFramebuffer*);
     void bindRenderbuffer(GLenum target, WebGLRenderbuffer*);
@@ skipping 202 matching lines @@
         // A synthetic lost context that should attempt to recover automatically
         AutoRecoverSyntheticLostContext
     };
     void forceLostContext(LostContextMode);
     void forceRestoreContext();
     void loseContextImpl(LostContextMode);
 
     blink::WebGraphicsContext3D* webGraphicsContext3D() const { return m_context.get(); }
     GraphicsContext3D* graphicsContext3D() const { return m_contextSupport.get(); }
     WebGLContextGroup* contextGroup() const { return m_contextGroup.get(); }
-    virtual blink::WebLayer* platformLayer() const;
+    virtual blink::WebLayer* platformLayer() const OVERRIDE;
 
     void reshape(int width, int height);
 
     void markLayerComposited();
-    virtual void paintRenderingResultsToCanvas();
-    virtual PassRefPtr<ImageData> paintRenderingResultsToImageData();
+    virtual void paintRenderingResultsToCanvas() OVERRIDE;
+    PassRefPtr<ImageData> paintRenderingResultsToImageData();
 
     void removeSharedObject(WebGLSharedObject*);
     void removeContextObject(WebGLContextObject*);
 
     unsigned maxVertexAttribs() const { return m_maxVertexAttribs; }
 
     // ActiveDOMObject notifications
-    virtual bool hasPendingActivity() const;
-    virtual void stop();
+    virtual bool hasPendingActivity() const OVERRIDE;
+    virtual void stop() OVERRIDE;
 
   private:
     friend class WebGLDrawBuffers;
     friend class WebGLFramebuffer;
     friend class WebGLObject;
     friend class OESVertexArrayObject;
     friend class WebGLDebugShaders;
     friend class WebGLCompressedTextureATC;
     friend class WebGLCompressedTexturePVRTC;
     friend class WebGLCompressedTextureS3TC;
@@ skipping 250 matching lines @@
 
     private:
         bool m_privileged;
         bool m_draft;
         bool m_prefixed;
         bool m_webglDebugRendererInfo;
         const char* const* m_prefixes;
     };
 
     template <typename T>
-    class TypedExtensionTracker : public ExtensionTracker {
+    class TypedExtensionTracker FINAL : public ExtensionTracker {
     public:
         TypedExtensionTracker(RefPtr<T>& extensionField, ExtensionFlags flags, const char* const* prefixes)
             : ExtensionTracker(flags, prefixes)
             , m_extensionField(extensionField)
         {
         }
 
         ~TypedExtensionTracker()
         {
             if (m_extensionField) {
                 m_extensionField->lose(true);
                 m_extensionField = 0;
             }
         }
 
-        virtual PassRefPtr<WebGLExtension> getExtension(WebGLRenderingContext* context) const
+        virtual PassRefPtr<WebGLExtension> getExtension(WebGLRenderingContext* context) const OVERRIDE
         {
             if (!m_extensionField)
                 m_extensionField = T::create(context);
 
             return m_extensionField;
         }
 
-        virtual bool supported(WebGLRenderingContext* context) const
+        virtual bool supported(WebGLRenderingContext* context) const OVERRIDE
         {
             return T::supported(context);
         }
 
-        virtual const char* extensionName() const
+        virtual const char* extensionName() const OVERRIDE
         {
             return T::extensionName();
         }
 
-        virtual void loseExtension()
+        virtual void loseExtension() OVERRIDE
         {
             if (m_extensionField) {
                 m_extensionField->lose(false);
                 if (m_extensionField->isLost())
                     m_extensionField = 0;
             }
         }
 
     private:
         RefPtr<T>& m_extensionField;
@@ skipping 243 matching lines @@
     // First time called, if EXT_draw_buffers is supported, query the value; otherwise return 0.
     // Later, return the cached value.
     GLint maxDrawBuffers();
     GLint maxColorAttachments();
 
     void setBackDrawBuffer(GLenum);
 
     void restoreCurrentFramebuffer();
     void restoreCurrentTexture2D();
 
-    virtual void multisamplingChanged(bool);
+    virtual void multisamplingChanged(bool) OVERRIDE;
 
     void findNewMaxEnabledAttribIndex();
     void findNewMaxNonDefaultTextureUnit();
 
     friend class WebGLStateRestorer;
     friend class WebGLRenderingContextEvictionManager;
 
     static Vector<WebGLRenderingContext*>& activeContexts();
     static Vector<WebGLRenderingContext*>& forciblyEvictedContexts();
 
     static void activateContext(WebGLRenderingContext*);
     static void deactivateContext(WebGLRenderingContext*, bool addToInactiveList);
     static void willDestroyContext(WebGLRenderingContext*);
     static void forciblyLoseOldestContext(const String& reason);
     // Return the least recently used context's position in the active context vector.
     // If the vector is empty, return the maximum allowed active context number.
     static size_t oldestContextIndex();
     static IntSize oldestContextSize();
 };
 
 DEFINE_TYPE_CASTS(WebGLRenderingContext, CanvasRenderingContext, context, context->is3d(), context.is3d());
 
 } // namespace WebCore
 
 #endif