Moved text decoding to the parser thread

Source/core/dom/DecodedDataDocumentParser.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 17 matching lines @@
 
 #include "core/dom/Document.h"
 #include "core/dom/DocumentEncodingData.h"
 #include "core/fetch/TextResourceDecoder.h"
 
 namespace WebCore {
 
 DecodedDataDocumentParser::DecodedDataDocumentParser(Document* document)
     : DocumentParser(document)
     , m_hasAppendedData(false)
+    , m_needsDecoder(true)
 {
 }
 
 DecodedDataDocumentParser::~DecodedDataDocumentParser()
 {
 }
 
 void DecodedDataDocumentParser::setDecoder(PassOwnPtr<TextResourceDecoder> decoder)
 {
+    m_needsDecoder = false;
     m_decoder = decoder;
 }
 
 TextResourceDecoder* DecodedDataDocumentParser::decoder()
 {
     return m_decoder.get();
 }
 
+PassOwnPtr<TextResourceDecoder> DecodedDataDocumentParser::takeDecoder()
+{
+    return m_decoder.release();
+}
+
 void DecodedDataDocumentParser::setHasAppendedData()
 {
     m_hasAppendedData = true;
 }
 
 void DecodedDataDocumentParser::appendBytes(const char* data, size_t length)
 {
     if (!length)
         return;
 
@@ skipping 19 matching lines @@
     // We have nothing to do in that case.
     if (!m_decoder)
         return;
 
     String remainingData = m_decoder->flush();
     updateDocument(remainingData);
 }
 
 void DecodedDataDocumentParser::updateDocument(String& decodedData)
 {
-    DocumentEncodingData encodingData;
-    encodingData.encoding = m_decoder->encoding();
-    encodingData.wasDetectedHeuristically = m_decoder->encodingWasDetectedHeuristically();
-    encodingData.sawDecodingError = m_decoder->sawError();
-    document()->setEncodingData(encodingData);
+    document()->setEncodingData(DocumentEncodingData(*m_decoder.get()));
 
     if (decodedData.isEmpty())
         return;
 
     append(decodedData.releaseImpl());
     // FIXME: Should be removed as part of https://code.google.com/p/chromium/issues/detail?id=319643
     if (!m_hasAppendedData) {
         m_hasAppendedData = true;
         if (m_decoder->encoding().usesVisualOrdering())
             document()->setVisuallyOrdered();
     }
 }
 
 };