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

Source/wtf/text/TextCodecICU.h

Index: Source/wtf/text/TextCodecICU.h
diff --git a/Source/wtf/text/TextCodecICU.h b/Source/wtf/text/TextCodecICU.h
index 8907aafe237b2a445507b7f83cb39ea3a140aa5a..b999533e9f865ef1b124d5f0c5aa2ad4cf7b70f2 100644
--- a/Source/wtf/text/TextCodecICU.h
+++ b/Source/wtf/text/TextCodecICU.h
@@ -37,7 +37,7 @@ namespace WTF {
 
 class TextCodecInput;
 
-class TextCodecICU FINAL : public TextCodec {
+class TextCodecICU final : public TextCodec {
 public:
     static void registerEncodingNames(EncodingNameRegistrar);
     static void registerCodecs(TextCodecRegistrar);
@@ -48,9 +48,9 @@ private:
     TextCodecICU(const TextEncoding&);
     static PassOwnPtr<TextCodec> create(const TextEncoding&, const void*);
 
-    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);