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

Source/core/html/canvas/OESTextureHalfFloat.h

Index: Source/core/html/canvas/OESTextureHalfFloat.h
diff --git a/Source/core/html/canvas/OESTextureHalfFloat.h b/Source/core/html/canvas/OESTextureHalfFloat.h
index 65673a9b43c38fa57b81116f38ed69487ec2e181..0af59f2dfef175fc915910376ffc3378fdad9f54 100644
--- a/Source/core/html/canvas/OESTextureHalfFloat.h
+++ b/Source/core/html/canvas/OESTextureHalfFloat.h
@@ -32,7 +32,7 @@
 
 namespace blink {
 
-class OESTextureHalfFloat FINAL : public WebGLExtension, public ScriptWrappable {
+class OESTextureHalfFloat final : public WebGLExtension, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<OESTextureHalfFloat> create(WebGLRenderingContextBase*);
@@ -40,7 +40,7 @@ public:
     static const char* extensionName();
 
     virtual ~OESTextureHalfFloat();
-    virtual WebGLExtensionName name() const OVERRIDE;
+    virtual WebGLExtensionName name() const override;
 
 private:
     explicit OESTextureHalfFloat(WebGLRenderingContextBase*);