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

Source/core/html/canvas/EXTFragDepth.h

Index: Source/core/html/canvas/EXTFragDepth.h
diff --git a/Source/core/html/canvas/EXTFragDepth.h b/Source/core/html/canvas/EXTFragDepth.h
index 415f46f90d4b72da744393300c1121700f3dec98..0032a447ed96f8834e2cdc4740982e77d6ef58a6 100644
--- a/Source/core/html/canvas/EXTFragDepth.h
+++ b/Source/core/html/canvas/EXTFragDepth.h
@@ -32,7 +32,7 @@
 
 namespace blink {
 
-class EXTFragDepth FINAL : public WebGLExtension, public ScriptWrappable {
+class EXTFragDepth final : public WebGLExtension, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<EXTFragDepth> create(WebGLRenderingContextBase*);
@@ -40,7 +40,7 @@ public:
     static const char* extensionName();
 
     virtual ~EXTFragDepth();
-    virtual WebGLExtensionName name() const OVERRIDE;
+    virtual WebGLExtensionName name() const override;
 
 private:
     explicit EXTFragDepth(WebGLRenderingContextBase*);