Replace OVERRIDE and FINAL with their C++11 counterparts in WTF

Source/wtf/text/TextCodecUserDefined.h

Index: Source/wtf/text/TextCodecUserDefined.h
diff --git a/Source/wtf/text/TextCodecUserDefined.h b/Source/wtf/text/TextCodecUserDefined.h
index 02c4585f545c17d0385648d5f18b1432488c43e0..4aeda2dd67248cfa548935caad8ae1da22307ca7 100644
--- a/Source/wtf/text/TextCodecUserDefined.h
+++ b/Source/wtf/text/TextCodecUserDefined.h
@@ -30,15 +30,15 @@
 
 namespace WTF {
 
-    class TextCodecUserDefined FINAL : public TextCodec {
+    class TextCodecUserDefined final : public TextCodec {
     public:
         static void registerEncodingNames(EncodingNameRegistrar);
         static void registerCodecs(TextCodecRegistrar);
 
     private:
-        virtual String decode(const char*, size_t length, FlushBehavior, bool stopOnError, bool& sawError) OVERRIDE;
-        virtual CString encode(const UChar*, size_t length, UnencodableHandling) OVERRIDE;
-        virtual CString encode(const LChar*, size_t length, UnencodableHandling) OVERRIDE;
+        virtual String decode(const char*, size_t length, FlushBehavior, bool stopOnError, bool& sawError) override;
+        virtual CString encode(const UChar*, size_t length, UnencodableHandling) override;
+        virtual CString encode(const LChar*, size_t length, UnencodableHandling) override;
 
         template<typename CharType>
         CString encodeCommon(const CharType*, size_t length, UnencodableHandling);