Enable Oilpan for core/xml/

Source/bindings/core/v8/custom/V8DocumentCustom.cpp

Index: Source/bindings/core/v8/custom/V8DocumentCustom.cpp
diff --git a/Source/bindings/core/v8/custom/V8DocumentCustom.cpp b/Source/bindings/core/v8/custom/V8DocumentCustom.cpp
index 82f47066f6fcf466c7fce43dd7f240606f898b3d..38b3fe681dbf7a4714fa6a02b49f44f8a9083959 100644
--- a/Source/bindings/core/v8/custom/V8DocumentCustom.cpp
+++ b/Source/bindings/core/v8/custom/V8DocumentCustom.cpp
@@ -67,7 +67,7 @@ void V8Document::evaluateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>&
     RefPtrWillBeRawPtr<Node> contextNode = V8Node::toImplWithTypeCheck(info.GetIsolate(), info[1]);
 
     const int resolverArgumentIndex = 2;
-    RefPtrWillBeRawPtr<XPathNSResolver> resolver = toXPathNSResolver(info.GetIsolate(), info[resolverArgumentIndex]);
+    XPathNSResolver* resolver = toXPathNSResolver(info.GetIsolate(), info[resolverArgumentIndex]);
     if (!resolver && !isUndefinedOrNull(info[resolverArgumentIndex])) {
         exceptionState.throwTypeError(ExceptionMessages::argumentNullOrIncorrectType(resolverArgumentIndex + 1, "XPathNSResolver"));
         exceptionState.throwIfNeeded();
@@ -75,12 +75,12 @@ void V8Document::evaluateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>&
     }
 
     int type = toInt32(info[3]);
-    RefPtrWillBeRawPtr<XPathResult> inResult = V8XPathResult::toImplWithTypeCheck(info.GetIsolate(), info[4]);
-    TONATIVE_VOID(RefPtrWillBeRawPtr<XPathResult>, result, DocumentXPathEvaluator::evaluate(*document, expression, contextNode.get(), resolver.release(), type, inResult.get(), exceptionState));
+    XPathResult* inResult = V8XPathResult::toImplWithTypeCheck(info.GetIsolate(), info[4]);
+    TONATIVE_VOID(XPathResult*, result, DocumentXPathEvaluator::evaluate(*document, expression, contextNode.get(), resolver, type, inResult, exceptionState));
     if (exceptionState.throwIfNeeded())
         return;
 
-    v8SetReturnValueFast(info, result.release(), document.get());
+    v8SetReturnValueFast(info, result, document.get());
 }
 
 } // namespace blink