Remove more unused HTMLTokenizer features

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

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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
@@ skipping 29 matching lines @@
     static PassOwnPtr<HTMLTokenizer> create() { return adoptPtr(new HTMLTokenizer()); }
     ~HTMLTokenizer();
 
     void reset();
 
     enum State {
         DataState,
         CharacterReferenceInDataState,
         RAWTEXTState,
         ScriptDataState,
-        PLAINTEXTState,
         TagOpenState,
         EndTagOpenState,
         TagNameState,
         RAWTEXTLessThanSignState,
         RAWTEXTEndTagOpenState,
         RAWTEXTEndTagNameState,
         ScriptDataLessThanSignState,
         ScriptDataEndTagOpenState,
         ScriptDataEndTagNameState,
         ScriptDataEscapeStartState,
@@ skipping 32 matching lines @@
         CommentEndDashState,
         CommentEndState,
         CommentEndBangState,
     };
 
     // This function returns true if it emits a token. Otherwise, callers
     // must provide the same (in progress) token on the next call (unless
     // they call reset() first).
     bool nextToken(SegmentedString&, HTMLToken&);
 
-    // Returns a copy of any characters buffered internally by the tokenizer.
-    // The tokenizer buffers characters when searching for the </script> token
-    // that terminates a script element.
-    String bufferedCharacters() const;
-
-    size_t numberOfBufferedCharacters() const
-    {
-        // Notice that we add 2 to the length of the m_temporaryBuffer to
-        // account for the "</" characters, which are effecitvely buffered in
-        // the tokenizer's state machine.
-        return m_temporaryBuffer.size() ? m_temporaryBuffer.size() + 2 : 0;
-    }
-
-    // Updates the tokenizer's state according to the given tag name. This is
-    // an approximation of how the tree builder would update the tokenizer's
-    // state. This method is useful for approximating HTML tokenization. To
-    // get exactly the correct tokenization, you need the real tree builder.
-    //
-    // The main failures in the approximation are as follows:
-    //
-    //  * The first set of character tokens emitted for a <pre> element might
-    //    contain an extra leading newline.
-    //  * The replacement of U+0000 with U+FFFD will not be sensitive to the
-    //    tree builder's insertion mode.
-    //  * CDATA sections in foreign content will be tokenized as bogus comments
-    //    instead of as character tokens.
-    //
-    void updateStateFor(const String& tagName);
-
     State state() const { return m_state; }
     void setState(State state) { m_state = state; }
 
 private:
     HTMLTokenizer();
 
     inline bool processEntity(SegmentedString&);
 
     inline void parseError();
 
@@ skipping 75 matching lines @@
 
     // We occationally want to emit both a character token and an end tag
     // token (e.g., when lexing script). We buffer the name of the end tag
     // token here so we remember it next time we re-enter the tokenizer.
     Vector<LChar, 32> m_bufferedEndTagName;
 };
 
 }
 
 #endif