Add [TypeChecking=Interface] to Node interface

LayoutTests/fast/dom/Node/script-tests/contains-method.js

 description(
 'This test checks behavior of Node.contains. <div id="test1">[test1 <span id="test2">[test 2]</span>]</div>'
 );
 
 var test1 = document.getElementById('test1');
 var test1TextChild = document.getElementById('test1').firstChild;
 var test2 = document.getElementById('test2');
 
 shouldBeEqualToString("typeof document.contains", "function");
 shouldBeTrue("test1.contains(test2)");
 shouldBeTrue("test1.contains(test1TextChild)");
 shouldBeTrue("document.contains(test1)");
 shouldBeTrue("document.contains(test1TextChild)");
 shouldBeTrue("document.contains(document)");
 shouldBeTrue("test1.contains(test1)");
 shouldBeTrue("test1TextChild.contains(test1TextChild)");
-shouldBeFalse("test1.contains(123)");
+shouldThrow("test1.contains(123)");
 shouldBeFalse("test1.contains(null)");
 
 // Cross document tests
 var iframe = document.createElement("iframe");
 
 shouldBeFalse("document.contains(iframe)");  // Not in document
 shouldBeTrue("iframe.contains(iframe)");
 
 document.body.appendChild(iframe);
 debug('iframe is now in document');
 shouldBeTrue("document.contains(iframe)");
 
 var iframeDoc = iframe.contentDocument;
 var iframeBody = iframeDoc.body;
 
 shouldBeFalse("document.contains(iframeDoc)");
 shouldBeTrue("iframeDoc.contains(iframeBody)");
 shouldBeFalse("document.contains(iframeBody)");