Fixing custom/created_callback test for Safe HTML

tests/html/custom/created_callback_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library created_callback_test;
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 import 'dart:html';
+import '../utils.dart';
 
 class A extends HtmlElement {
   static final tag = 'x-a';
   factory A() => new Element.tag(tag);
 
   static int createdInvocations = 0;
 
   void created() {
     createdInvocations++;
   }
@@ skipping 45 matching lines @@
     var x = new A();
     expect(A.createdInvocations, 1);
   });
 
   test(':unresolved and created callback timing', () {
     document.register(B.tag, B);
     document.register(C.tag, C);
 
     var div = new DivElement();
     C.div = div;
-    div.innerHtml = """
+    div.setInnerHtml("""
 <x-c id="t"></x-c>
 <x-b id="u"></x-b>
 <x-c id="v"></x-c>
 <x-b id="w"></x-b>
-""";
+""", treeSanitizer: new NullTreeSanitizer());
 
     expect(C.createdInvocations, 2);
     expect(div.query('#w') is B, isTrue);
   });
 
   // TODO(vsm): Port additional test from upstream here:
   // http://src.chromium.org/viewvc/blink/trunk/LayoutTests/fast/dom/custom/created-callback.html?r1=156141&r2=156185
 }