Enable Oilpan for core/xml/

Source/core/xml/XSLImportRule.h

Index: Source/core/xml/XSLImportRule.h
diff --git a/Source/core/xml/XSLImportRule.h b/Source/core/xml/XSLImportRule.h
index d4c5d67fb05756b0b93726e1a6b5b27d82fdcbfa..22c829f9ea6665ecf8331dd8eff7244b23262fad 100644
--- a/Source/core/xml/XSLImportRule.h
+++ b/Source/core/xml/XSLImportRule.h
@@ -32,13 +32,12 @@ namespace blink {
 
 class XSLStyleSheetResource;
 
-class XSLImportRule final : public NoBaseWillBeGarbageCollectedFinalized<XSLImportRule> {
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
+class XSLImportRule final : public GarbageCollectedFinalized<XSLImportRule> {
 public:
-    static PassOwnPtrWillBeRawPtr<XSLImportRule> create(XSLStyleSheet* parentSheet, const String& href)
+    static XSLImportRule* create(XSLStyleSheet* parentSheet, const String& href)
     {
         ASSERT(RuntimeEnabledFeatures::xsltEnabled());
-        return adoptPtrWillBeNoop(new XSLImportRule(parentSheet, href));
+        return new XSLImportRule(parentSheet, href);
     }
 
     virtual ~XSLImportRule();