Oilpan: have xml/ objects on the heap by default.

Source/core/xml/DocumentXPathEvaluator.cpp

Index: Source/core/xml/DocumentXPathEvaluator.cpp
diff --git a/Source/core/xml/DocumentXPathEvaluator.cpp b/Source/core/xml/DocumentXPathEvaluator.cpp
index 18839ab409af70b3cb3972194e3f0eddeb990e06..bc0e4ab5b745738ff2469df55c1a4c5eb51b39b7 100644
--- a/Source/core/xml/DocumentXPathEvaluator.cpp
+++ b/Source/core/xml/DocumentXPathEvaluator.cpp
@@ -46,8 +46,7 @@ DocumentXPathEvaluator& DocumentXPathEvaluator::from(WillBeHeapSupplementable<Do
     return *cache;
 }
 
-PassRefPtrWillBeRawPtr<XPathExpression> DocumentXPathEvaluator::createExpression(WillBeHeapSupplementable<Document>& document,
-    const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver> resolver, ExceptionState& exceptionState)
+XPathExpression* DocumentXPathEvaluator::createExpression(WillBeHeapSupplementable<Document>& document, const String& expression, XPathNSResolver* resolver, ExceptionState& exceptionState)
 {
     DocumentXPathEvaluator& suplement = from(document);
     if (!suplement.m_xpathEvaluator)
@@ -55,7 +54,7 @@ PassRefPtrWillBeRawPtr<XPathExpression> DocumentXPathEvaluator::createExpression
     return suplement.m_xpathEvaluator->createExpression(expression, resolver, exceptionState);
 }
 
-PassRefPtrWillBeRawPtr<XPathNSResolver> DocumentXPathEvaluator::createNSResolver(WillBeHeapSupplementable<Document>& document, Node* nodeResolver)
+XPathNSResolver* DocumentXPathEvaluator::createNSResolver(WillBeHeapSupplementable<Document>& document, Node* nodeResolver)
 {
     DocumentXPathEvaluator& suplement = from(document);
     if (!suplement.m_xpathEvaluator)
@@ -63,8 +62,8 @@ PassRefPtrWillBeRawPtr<XPathNSResolver> DocumentXPathEvaluator::createNSResolver
     return suplement.m_xpathEvaluator->createNSResolver(nodeResolver);
 }
 
-PassRefPtrWillBeRawPtr<XPathResult> DocumentXPathEvaluator::evaluate(WillBeHeapSupplementable<Document>& document, const String& expression,
-    Node* contextNode, PassRefPtrWillBeRawPtr<XPathNSResolver> resolver, unsigned short type,
+XPathResult* DocumentXPathEvaluator::evaluate(WillBeHeapSupplementable<Document>& document, const String& expression,
+    Node* contextNode, XPathNSResolver* resolver, unsigned short type,
     const ScriptValue&, ExceptionState& exceptionState)
 {
     DocumentXPathEvaluator& suplement = from(document);