Oilpan: Move core/xml/ to oilpan's heap

Source/core/xml/XPathExpression.cpp

 /*
  * Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
  * Copyright (C) 2006, 2009 Apple 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 20 matching lines @@
 #include "core/dom/ExceptionCode.h"
 #include "core/xml/XPathExpressionNode.h"
 #include "core/xml/XPathNSResolver.h"
 #include "core/xml/XPathParser.h"
 #include "core/xml/XPathResult.h"
 #include "core/xml/XPathUtil.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
+DEFINE_GC_INFO(XPathExpression);
+
 using namespace XPath;
 
-PassRefPtr<XPathExpression> XPathExpression::createExpression(const String& expression, PassRefPtr<XPathNSResolver> resolver, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<XPathExpression> XPathExpression::createExpression(const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver> resolver, ExceptionState& exceptionState)
 {
-    RefPtr<XPathExpression> expr = XPathExpression::create();
+    RefPtrWillBeRawPtr<XPathExpression> expr = XPathExpression::create();
     Parser parser;
 
     expr->m_topExpression = parser.parseStatement(expression, resolver, exceptionState);
     if (!expr->m_topExpression)
         return 0;
 
     return expr.release();
 }
 
 XPathExpression::~XPathExpression()
 {
     delete m_topExpression;
 }
 
-PassRefPtr<XPathResult> XPathExpression::evaluate(Node* contextNode, unsigned short type, XPathResult*, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<XPathResult> XPathExpression::evaluate(Node* contextNode, unsigned short type, XPathResult*, ExceptionState& exceptionState)
 {
     if (!contextNode) {
         exceptionState.throwDOMException(NotSupportedError, "The context node provided is null.");
         return 0;
     }
 
     if (!isValidContextNode(contextNode)) {
         exceptionState.throwDOMException(NotSupportedError, "The node provided is '" + contextNode->nodeName() + "', which is not a valid context node type.");
         return 0;
     }
 
     EvaluationContext& evaluationContext = Expression::evaluationContext();
     evaluationContext.node = contextNode;
     evaluationContext.size = 1;
     evaluationContext.position = 1;
     evaluationContext.hadTypeConversionError = false;
-    RefPtr<XPathResult> result = XPathResult::create(&contextNode->document(), m_topExpression->evaluate());
+    RefPtrWillBeRawPtr<XPathResult> result = XPathResult::create(&contextNode->document(), m_topExpression->evaluate());
     evaluationContext.node = 0; // Do not hold a reference to the context node, as this may prevent the whole document from being destroyed in time.
 
     if (evaluationContext.hadTypeConversionError) {
         // It is not specified what to do if type conversion fails while evaluating an expression.
         exceptionState.throwDOMException(SyntaxError, "Type conversion failed while evaluating the expression.");
         return 0;
     }
 
     if (type != XPathResult::ANY_TYPE) {
         result->convertTo(type, exceptionState);
         if (exceptionState.hadException())
             return 0;
     }
 
     return result;
 }
 
 }