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

tools/dom/src/native_DOMImplementation.dart

 // Copyright (c) 2012, 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.
 
 part of html;
 
 class _Property {
   _Property(this.name) :
       _hasValue = false,
       writable = false,
@@ skipping 106 matching lines @@
   static DateTime doubleToDateTime(double dateTime) {
     try {
       return new DateTime.fromMillisecondsSinceEpoch(dateTime.toInt());
     } catch(_) {
       // TODO(antonnm): treat exceptions properly in bindings and
       // find out how to treat NaNs.
       return null;
     }
   }
 
+  static maybeUnwrapJso(obj) => unwrap_jso(obj);
+
   static List convertToList(List list) {
     // FIXME: [possible optimization]: do not copy the array if Dart_IsArray is fine w/ it.
     final length = list.length;
     List result = new List(length);
     result.setRange(0, length, list);
     return result;
   }
 
   static List convertMapToList(Map map) {
     List result = [];
@@ skipping 625 matching lines @@
   }
 
   /**
    * Helper to wrap the inspect method on InjectedScriptHost to provide the
    * inspect method required for the
    */
   static List consoleApi(host) {
     return [
         "inspect",
         (o) {
-          host.inspect(o, null);
+          host.callMethod("inspect", [o]);
           return o;
         },
         "dir",
         window().console.dir,
         "dirxml",
         window().console.dirxml
         // FIXME: add copy method.
         ];
   }
 
@@ skipping 324 matching lines @@
   _scheduleImmediateHelper._schedule(callback);
 };
 
 get _pureIsolateScheduleImmediateClosure => ((void callback()) =>
   throw new UnimplementedError("scheduleMicrotask in background isolates "
                                "are not supported in the browser"));
 
 // Class for unsupported native browser 'DOM' objects.
 class _UnsupportedBrowserObject extends NativeFieldWrapperClass2 {
 }