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

Source/modules/encoding/TextEncoder.h

Index: Source/modules/encoding/TextEncoder.h
diff --git a/Source/modules/encoding/TextEncoder.h b/Source/modules/encoding/TextEncoder.h
index 7103269eba39c07f26bf03bcbe4d6e64f6174743..722e2865af24561a76b81672bbcdd83983771763 100644
--- a/Source/modules/encoding/TextEncoder.h
+++ b/Source/modules/encoding/TextEncoder.h
@@ -43,7 +43,7 @@ namespace blink {
 
 class ExceptionState;
 
-class TextEncoder FINAL : public GarbageCollectedFinalized<TextEncoder>, public ScriptWrappable {
+class TextEncoder final : public GarbageCollectedFinalized<TextEncoder>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static TextEncoder* create(const String& utfLabel, ExceptionState&);