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

Source/core/html/canvas/WebGLRenderingContext.h

Index: Source/core/html/canvas/WebGLRenderingContext.h
diff --git a/Source/core/html/canvas/WebGLRenderingContext.h b/Source/core/html/canvas/WebGLRenderingContext.h
index 0abd4c491d25b690d00b7889b6ca17e3169eb6f7..175bdb429ccff8adae076ee4f64948e2ae022b74 100644
--- a/Source/core/html/canvas/WebGLRenderingContext.h
+++ b/Source/core/html/canvas/WebGLRenderingContext.h
@@ -31,17 +31,17 @@
 
 namespace blink {
 
-class WebGLRenderingContext FINAL : public WebGLRenderingContextBase, public ScriptWrappable {
+class WebGLRenderingContext final : public WebGLRenderingContextBase, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassOwnPtrWillBeRawPtr<WebGLRenderingContext> create(HTMLCanvasElement*, WebGLContextAttributes*);
     virtual ~WebGLRenderingContext();
 
-    virtual unsigned version() const OVERRIDE { return 1; }
-    virtual String contextName() const OVERRIDE { return "WebGLRenderingContext"; }
-    virtual void registerContextExtensions() OVERRIDE;
+    virtual unsigned version() const override { return 1; }
+    virtual String contextName() const override { return "WebGLRenderingContext"; }
+    virtual void registerContextExtensions() override;
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor*) override;
 
 private:
     WebGLRenderingContext(HTMLCanvasElement*, PassOwnPtr<blink::WebGraphicsContext3D>, WebGLContextAttributes*);