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

Source/core/html/canvas/OESTextureHalfFloatLinear.h

Index: Source/core/html/canvas/OESTextureHalfFloatLinear.h
diff --git a/Source/core/html/canvas/OESTextureHalfFloatLinear.h b/Source/core/html/canvas/OESTextureHalfFloatLinear.h
index e02ce6f42ef1523fad7243fb702ec046ae51279c..07153af6b470bc8540c99ff9f24d3254900dd174 100644
--- a/Source/core/html/canvas/OESTextureHalfFloatLinear.h
+++ b/Source/core/html/canvas/OESTextureHalfFloatLinear.h
@@ -32,7 +32,7 @@
 
 namespace blink {
 
-class OESTextureHalfFloatLinear FINAL : public WebGLExtension, public ScriptWrappable {
+class OESTextureHalfFloatLinear final : public WebGLExtension, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<OESTextureHalfFloatLinear> create(WebGLRenderingContextBase*);
@@ -40,7 +40,7 @@ public:
     static const char* extensionName();
 
     virtual ~OESTextureHalfFloatLinear();
-    virtual WebGLExtensionName name() const OVERRIDE;
+    virtual WebGLExtensionName name() const override;
 
 private:
     explicit OESTextureHalfFloatLinear(WebGLRenderingContextBase*);