Update remaining HTML classes to use OVERRIDE / FINAL when needed

Source/core/html/parser/TextDocumentParser.h

Index: Source/core/html/parser/TextDocumentParser.h
diff --git a/Source/core/html/parser/TextDocumentParser.h b/Source/core/html/parser/TextDocumentParser.h
index 6b5bb9e6a4c7bcb10b1c645ed00acf1e61fde76b..255eccfdba6af3b49f4aed64ea4f2f6dfb8a8b79 100644
--- a/Source/core/html/parser/TextDocumentParser.h
+++ b/Source/core/html/parser/TextDocumentParser.h
@@ -30,7 +30,7 @@
 
 namespace WebCore {
 
-class TextDocumentParser : public HTMLDocumentParser {
+class TextDocumentParser FINAL : public HTMLDocumentParser {
 public:
     static PassRefPtr<TextDocumentParser> create(HTMLDocument* document)
     {
@@ -41,7 +41,7 @@ public:
 private:
     explicit TextDocumentParser(HTMLDocument*);
 
-    virtual void append(PassRefPtr<StringImpl>);
+    virtual void append(PassRefPtr<StringImpl>) OVERRIDE;
     void insertFakePreElement();
 
     bool m_haveInsertedFakePreElement;