Convert XMLDocumentParser code to Use more reference

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 0b4277c3be96e0c2a25dc71792fb3cf47fdc8481..14958afaf5ea83806fb845f8ea3199a62c3cc6cb 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -2329,7 +2329,7 @@ PassRefPtr<DocumentParser> Document::createParser()
         return HTMLDocumentParser::create(toHTMLDocument(this), reportErrors);
     }
     // FIXME: this should probably pass the frame instead
-    return XMLDocumentParser::create(this, view());
+    return XMLDocumentParser::create(*this, view());
 }
 
 bool Document::isFrameSet() const