Remove BackgroundHTMLInputStream

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

 /*
  * 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 304 matching lines @@
     ASSERT(shouldUseThreading());
     ASSERT(!m_tokenizer);
     ASSERT(!m_token);
     ASSERT(!m_lastChunkBeforeScript);
 
     ActiveParserSession session(contextForParsingSession());
 
     OwnPtr<ParsedChunk> chunk(popChunk);
     OwnPtr<CompactHTMLTokenStream> tokens = chunk->tokens.release();
 
-    HTMLParserThread::taskRunner()->PostTask(FROM_HERE,
-        base::Bind(&BackgroundHTMLParser::startedChunkWithCheckpoint, m_backgroundParser, chunk->inputCheckpoint));
-
     for (Vector<CompactHTMLToken>::const_iterator it = tokens->begin(); it != tokens->end(); ++it) {
         ASSERT(!isWaitingForScripts());
 
         m_textPosition = it->textPosition();
 
         constructTreeFromCompactHTMLToken(*it);
 
         if (isStopped())
             break;
 
@@ skipping 406 matching lines @@
 
     if (m_haveBackgroundParser) {
         HTMLParserThread::taskRunner()->PostTask(FROM_HERE,
             base::Bind(&BackgroundHTMLParser::flush, m_backgroundParser));
     } else {
         DecodedDataDocumentParser::flush();
     }
 }
 
 }