Move ownership of the TextResourceDecoder to DecodedDataDocumentParser

Source/core/loader/DocumentLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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.
@@ skipping 914 matching lines @@
     return DocumentWriter::create(document.get(), mimeType, encoding, userChosen);
 }
 
 String DocumentLoader::mimeType() const
 {
     if (m_writer)
         return m_writer->mimeType();
     return m_response.mimeType();
 }
 
+void DocumentLoader::setUserChosenEncoding(const String& charset)
+{
+    if (m_writer)
+        m_writer->setUserChosenEncoding(charset);
+}
+
 // This is only called by ScriptController::executeScriptIfJavaScriptURL
 // and always contains the result of evaluating a javascript: url.
 // This is the <iframe src="javascript:'html'"> case.
 void DocumentLoader::replaceDocument(const String& source, Document* ownerDocument)
 {
     m_frame->loader().stopAllLoaders();
     m_writer = createWriterFor(m_frame, ownerDocument, m_frame->document()->url(), mimeType(), m_writer ? m_writer->encoding() : "",  m_writer ? m_writer->encodingWasChosenByUser() : false, true);
     if (!source.isNull())
         m_writer->appendReplacingData(source);
     endWriting(m_writer.get());
 }
 
 } // namespace WebCore