Oilpan: Remove manual ref/deref of Nodes.

Source/core/xml/parser/XMLDocumentParser.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Holger Hans Peter Freyther
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 281 matching lines @@
     XMLErrors::ErrorType m_type;
     xmlChar* m_message;
     OrdinalNumber m_lineNumber;
     OrdinalNumber m_columnNumber;
 };
 
 void XMLDocumentParser::pushCurrentNode(ContainerNode* n)
 {
     ASSERT(n);
     ASSERT(m_currentNode);
+#if !ENABLE(OILPAN)
     if (n != document())
         n->ref();
+#endif
     m_currentNodeStack.append(m_currentNode);
     m_currentNode = n;
     if (m_currentNodeStack.size() > maxXMLTreeDepth)
         handleError(XMLErrors::fatal, "Excessive node nesting.", textPosition());
 }
 
 void XMLDocumentParser::popCurrentNode()
 {
     if (!m_currentNode)
         return;
     ASSERT(m_currentNodeStack.size());
-
+#if !ENABLE(OILPAN)
     if (m_currentNode != document())
         m_currentNode->deref();
-
+#endif
     m_currentNode = m_currentNodeStack.last();
     m_currentNodeStack.removeLast();
 }
 
 void XMLDocumentParser::clearCurrentNodeStack()
 {
+#if !ENABLE(OILPAN)
     if (m_currentNode && m_currentNode != document())
         m_currentNode->deref();
+#endif
     m_currentNode = nullptr;
     m_leafTextNode = nullptr;
 
     if (m_currentNodeStack.size()) { // Aborted parsing.
+#if !ENABLE(OILPAN)
         for (size_t i = m_currentNodeStack.size() - 1; i != 0; --i)
             m_currentNodeStack[i]->deref();
         if (m_currentNodeStack[0] && m_currentNodeStack[0] != document())
             m_currentNodeStack[0]->deref();
+#endif
         m_currentNodeStack.clear();
     }
 }
 
 void XMLDocumentParser::insert(const SegmentedString&)
 {
     ASSERT_NOT_REACHED();
 }
 
 void XMLDocumentParser::append(PassRefPtr<StringImpl> inputSource)
@@ skipping 430 matching lines @@
     , m_sawFirstElement(false)
     , m_isXHTMLDocument(false)
     , m_parserPaused(false)
     , m_requestingScript(false)
     , m_finishCalled(false)
     , m_xmlErrors(&fragment->document())
     , m_pendingScript(0)
     , m_scriptStartPosition(TextPosition::belowRangePosition())
     , m_parsingFragment(true)
 {
+#if !ENABLE(OILPAN)
     fragment->ref();
+#endif
 
     // Add namespaces based on the parent node
-    Vector<Element*> elemStack;
+    WillBeHeapVector<RawPtrWillBeMember<Element> > elemStack;
     while (parentElement) {
         elemStack.append(parentElement);
 
         ContainerNode* n = parentElement->parentNode();
         if (!n || !n->isElementNode())
             break;
         parentElement = toElement(n);
     }
 
     if (elemStack.isEmpty())
@@ skipping 811 matching lines @@
     sax.initialized = XML_SAX2_MAGIC;
     RefPtr<XMLParserContext> parser = XMLParserContext::createStringParser(&sax, &state);
     String parseString = "<?xml version=\"1.0\"?><attrs " + string + " />";
     parseChunk(parser->context(), parseString);
     finishParsing(parser->context());
     attrsOK = state.gotAttributes;
     return state.attributes;
 }
 
 } // namespace WebCore