Oilpan: fix build after r180569.

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 855 matching lines @@
     prepareToStopParsing();
 }
 
 void HTMLDocumentParser::finish()
 {
     // FIXME: We should ASSERT(!m_parserStopped) here, since it does not
     // makes sense to call any methods on DocumentParser once it's been stopped.
     // However, FrameLoader::stop calls DocumentParser::finish unconditionally.
 
     // flush may ending up executing arbitrary script, and possibly detach the parser.
-    RefPtr<HTMLDocumentParser> protect(this);
+    RefPtrWillBeRawPtr<HTMLDocumentParser> protect(this);
     flush();
     if (isDetached())
         return;
 
     // Empty documents never got an append() call, and thus have never started
     // a background parser. In those cases, we ignore shouldUseThreading()
     // and fall through to the non-threading case.
     if (m_haveBackgroundParser) {
         if (!m_input.haveSeenEndOfFile())
             m_input.closeWithoutMarkingEndOfFile();
@@ skipping 182 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()));
 }
 
 }