Second round of deprecation removal.

tests/html/document_test.dart

 library DocumentTest;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
 
 main() {
   useHtmlIndividualConfiguration();
 
   var isElement = predicate((x) => x is Element, 'is an Element');
   var isDivElement = predicate((x) => x is DivElement, 'is a DivElement');
@@ skipping 48 matching lines @@
       expect(new Element.tag('span'), isElement);
       expect(new Element.tag('div'), isDivElement);
       expect(new Element.tag('a'), isAnchorElement);
       expect(new Element.tag('bad_name'), isUnknownElement);
     });
 
     test('adoptNode', () {
       var div = new Element.html('<div><div id="foo">bar</div></div>');
       var doc = document.implementation.createHtmlDocument('');
       expect(doc.adoptNode(div), div);
-      expect(div.document, doc);
+      expect(div.ownerDocument, doc);
       doc.body.nodes.add(div);
       expect(doc.query('#foo').text, 'bar');
     });
 
     test('importNode', () {
       var div = new Element.html('<div><div id="foo">bar</div></div>');
       var doc = document.implementation.createHtmlDocument('');
       var div2 = doc.importNode(div, true);
       expect(div2, isNot(equals(div)));
-      expect(div2.document, doc);
+      expect(div2.ownerDocument, doc);
       doc.body.nodes.add(div2);
       expect(doc.query('#foo').text, 'bar');
     });
   });
 }