Remove spawnDomFunction from dart:html

tests/html/js_interop_4_test.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
 
 library JsInterop4Test;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_config.dart';
 import 'dart:async';
 import 'dart:html';
 import 'dart:isolate';
 
 const testData = const [1, '2', 'true'];
 
-void testIsolateEntry() {
-  var fun1 = window.lookupPort('fun1');
-  var result = fun1.callSync(testData);
-
-  var fun2 = window.lookupPort('fun2');
-  fun2.callSync(result);
-}
-
 main() {
   useHtmlConfiguration();
 
   // Test that our interop scheme also works from Dart to Dart.
   test('dart-to-dart-same-isolate', () {
     var fun = expectAsync1((message) {
       expect(message, orderedEquals(testData));
       return message.length;
     });
 
     var port1 = new ReceivePortSync();
     port1.receive(fun);
     window.registerPort('fun', port1.toSendPort());
 
     var port2 = window.lookupPort('fun');
     var result = port2.callSync(testData);
     expect(result, 3);
   });
-
-  // Test across isolate boundary.
-  test('dart-to-dart-cross-isolate', () {
-    var fun1 = (message) {
-      expect(message, orderedEquals(testData));
-      return message.length;
-    };
-
-    var port1 = new ReceivePortSync();
-    port1.receive(fun1);
-    window.registerPort('fun1', port1.toSendPort());
-
-    // TODO(vsm): Investigate why this needs to be called asynchronously.
-    var done = expectAsync0(() {});
-    var fun2 = (message) {
-      expect(message, 3);
-      Timer.run(done);
-    };
-
-    var port2 = new ReceivePortSync();
-    port2.receive(fun2);
-    window.registerPort('fun2', port2.toSendPort());
-
-    spawnDomFunction(testIsolateEntry);
-  });
 }