Update HTML canvas classes to use OVERRIDE / FINAL when needed

Source/core/html/canvas/WebGLFramebuffer.h

Index: Source/core/html/canvas/WebGLFramebuffer.h
diff --git a/Source/core/html/canvas/WebGLFramebuffer.h b/Source/core/html/canvas/WebGLFramebuffer.h
index fb91334ee23bf03c362a1fda944d29996de4c569..0a57b37846df639020761e0e679dd5869d6c45c6 100644
--- a/Source/core/html/canvas/WebGLFramebuffer.h
+++ b/Source/core/html/canvas/WebGLFramebuffer.h
@@ -37,7 +37,7 @@ namespace WebCore {
 class WebGLRenderbuffer;
 class WebGLTexture;
 
-class WebGLFramebuffer : public WebGLContextObject, public ScriptWrappable {
+class WebGLFramebuffer FINAL : public WebGLContextObject, public ScriptWrappable {
 public:
     class WebGLAttachment : public RefCounted<WebGLAttachment> {
     public:
@@ -108,11 +108,9 @@ public:
 protected:
     WebGLFramebuffer(WebGLRenderingContext*);
 
-    virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject);
+    virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject) OVERRIDE;
 
 private:
-    virtual bool isFramebuffer() const { return true; }

[eseidel, 2014/01/10 19:11:22]

Dead code?

[Inactive, 2014/01/10 19:18:26]

Yes, it does not override anything and it is never called.

-
     WebGLAttachment* getAttachment(GLenum) const;
     bool isAttachmentComplete(WebGLAttachment* attachedObject, GLenum attachment, const char** reason) const;