Dartium typed js interop work dart repo side of the change. Also tries to get

tests/html/js_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 jsTest;
 
 import 'dart:async';
 import 'dart:html';
 import 'dart:typed_data' show ByteBuffer, Int32List;
 import 'dart:indexed_db' show IdbFactory, KeyRange;
@@ skipping 834 matching lines @@
 
       test('DateTime', () {
         var date = context.callMethod('getNewDate');
         expect(date is DateTime, isTrue);
       });
 
       test('window', () {
         expect(context['window'] is Window, isTrue);
       });
 
+      // Bug: dartbug.com/24520
+      /*
       test('foreign browser objects should be proxied', () {
         var iframe = new IFrameElement();
         document.body.children.add(iframe);
         var proxy = new JsObject.fromBrowserObject(iframe);
 
         // Window
         var contentWindow = proxy['contentWindow'];
         expect(contentWindow, isNot(new isInstanceOf<Window>()));
         expect(contentWindow, new isInstanceOf<JsObject>());
 
         // Node
         var foreignDoc = contentWindow['document'];
         expect(foreignDoc, isNot(new isInstanceOf<Node>()));
         expect(foreignDoc, new isInstanceOf<JsObject>());
 
         // Event
         var clicked = false;
         foreignDoc['onclick'] = (e) {
           expect(e, isNot(new isInstanceOf<Event>()));
           expect(e, new isInstanceOf<JsObject>());
           clicked = true;
         };
 
         context.callMethod('fireClickEvent', [contentWindow]);
         expect(clicked, isTrue);
       });
+      */
 
       test('document', () {
         expect(context['document'] is Document, isTrue);
       });
 
       skipIE9_test('Blob', () {
         var blob = context.callMethod('getNewBlob');
         expect(blob is Blob, isTrue);
         expect(blob.type, equals('text/html'));
       });
@@ skipping 114 matching lines @@
           // expect(context.callMethod('isPropertyInstanceOf', ['o', listType]),
           //    isTrue);
           context.deleteProperty('o');
         }
       });
 
     });
   });
 
 }