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

Source/wtf/text/TextCodecLatin1.h

Index: Source/wtf/text/TextCodecLatin1.h
diff --git a/Source/wtf/text/TextCodecLatin1.h b/Source/wtf/text/TextCodecLatin1.h
index 81e80028caa24af15d0129e2b4a67ead0b7cbd28..8d95e793d253ce69229ee43dde4998e4b948186b 100644
--- a/Source/wtf/text/TextCodecLatin1.h
+++ b/Source/wtf/text/TextCodecLatin1.h
@@ -30,15 +30,15 @@
 
 namespace WTF {
 
-class TextCodecLatin1 FINAL : public TextCodec {
+class TextCodecLatin1 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);