Document.write should always be processed synchronously regardless of bg parser

Source/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 241 matching lines @@
     return m_treeBuilder->isParsingFragment();
 }
 
 bool HTMLDocumentParser::processingData() const
 {
     return isScheduledForResume() || inPumpSession() || m_haveBackgroundParser;
 }
 
 void HTMLDocumentParser::pumpTokenizerIfPossible()
 {
-    if (isStopped())
+    if (isStopped() || isWaitingForScripts())
         return;
-    if (isWaitingForScripts())
-        return;
-
-    // Once a resume is scheduled, HTMLParserScheduler controls when we next pump.
-    if (isScheduledForResume()) {
-        return;
-    }
 
     pumpTokenizer();
 }
 
 bool HTMLDocumentParser::isScheduledForResume() const
 {
     return m_parserScheduler && m_parserScheduler->isScheduledForResume();
 }
 
 // Used by HTMLParserScheduler
@@ skipping 276 matching lines @@
 {
     ASSERT(document);
     RefPtr<MediaValues> mediaValues = MediaValuesCached::create(*document);
     ASSERT(mediaValues->isSafeToSendToAnotherThread());
     return mediaValues;
 }
 
 void HTMLDocumentParser::pumpTokenizer()
 {
     ASSERT(!isStopped());
-    ASSERT(!isScheduledForResume());
 #if !ENABLE(OILPAN)
     // ASSERT that this object is both attached to the Document and protected.
     ASSERT(refCount() >= 2);
 #endif
     ASSERT(m_tokenizer);
     ASSERT(m_token);
 
     PumpSession session(m_pumpSessionNestingLevel, contextForParsingSession());
 
     // We tell the InspectorInstrumentation about every pump, even if we
@@ skipping 475 matching lines @@
 void HTMLDocumentParser::setDecoder(PassOwnPtr<TextResourceDecoder> decoder)
 {
     ASSERT(decoder);
     DecodedDataDocumentParser::setDecoder(decoder);
 
     if (m_haveBackgroundParser)
         HTMLParserThread::shared()->postTask(bind(&BackgroundHTMLParser::setDecoder, m_backgroundParser, takeDecoder()));
 }
 
 }