Add [TypeChecking=Interface] to XPath interfaces

Source/core/xml/DocumentXPathEvaluator.idl

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
-partial interface Document {
+[
+    TypeChecking=Interface,
+] partial interface Document {
     // DOM Level 3 XPath (XPathEvaluator interface)
-    [MeasureAs=DocumentXPathCreateExpression, RaisesException] XPathExpression createExpression([Default=Undefined] optional DOMString expression,
-                                                       [Default=Undefined] optional XPathNSResolver resolver);
-    [MeasureAs=DocumentXPathCreateNSResolver] XPathNSResolver    createNSResolver(Node nodeResolver);
-    [Custom, MeasureAs=DocumentXPathEvaluate, RaisesException] XPathResult evaluate([Default=Undefined] optional DOMString expression,
-                                                   [Default=Undefined] optional Node contextNode,
-                                                   [Default=Undefined] optional XPathNSResolver resolver,
-                                                   [Default=Undefined] optional unsigned short type,
-                                                   [Default=Undefined] optional XPathResult inResult);
+    [MeasureAs=DocumentXPathCreateExpression, RaisesException] XPathExpression createExpression(DOMString expression, optional XPathNSResolver? resolver = null);
+
+    [MeasureAs=DocumentXPathCreateNSResolver] XPathNSResolver createNSResolver(Node nodeResolver);
+
+    [MeasureAs=DocumentXPathEvaluate, RaisesException] XPathResult evaluate(DOMString expression, Node contextNode, optional XPathNSResolver? resolver = null, optional unsigned short type = 0, optional object? inResult = null);
 };