Remove unused code from the Sky parser system

sky/engine/core/html/parser/HTMLDocumentParser.h

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 64 matching lines @@
 
     static void parseDocumentFragment(const String&, DocumentFragment*, Element* contextElement, ParserContentPolicy = AllowScriptingContent);
 
     HTMLTokenizer* tokenizer() const { return m_tokenizer.get(); }
 
     virtual TextPosition textPosition() const OVERRIDE FINAL;
     virtual OrdinalNumber lineNumber() const OVERRIDE FINAL;
 
     struct ParsedChunk {
         OwnPtr<CompactHTMLTokenStream> tokens;
-        HTMLTokenizer::State tokenizerState;
     };
     void didReceiveParsedChunkFromBackgroundParser(PassOwnPtr<ParsedChunk>);
 
     virtual void appendBytes(const char* bytes, size_t length) OVERRIDE;
     virtual void flush() OVERRIDE FINAL;
 
     UseCounter* useCounter() { return UseCounter::getFrom(contextForParsingSession()); }
 
 protected:
     virtual void insert(const SegmentedString&) OVERRIDE FINAL;
@@ skipping 75 matching lines @@
 
     bool m_isFragment;
     bool m_endWasDelayed;
     bool m_haveBackgroundParser;
     unsigned m_pumpSessionNestingLevel;
 };
 
 }
 
 #endif