Generate dart:html bindings for Dartium as well as Frog. All unittests now pass (or are disabled fo…

client/tests/client/dom/IsolateLightTest.dart

 #library('IsolateLightTest');
-#import('../../../testing/unittest/unittest.dart');
+#import('../../../testing/unittest/unittest_dom.dart');
 #import('dart:dom');
 #import('dart:json');
 #import('dart:isolate');
 
 var _isolateId;
 
 class TestIsolate extends Isolate {
   TestIsolate() : super.light();
 
   void main() {
@@ skipping 17 matching lines @@
   _isolateId = 0;
   asyncTest('IsolatedStatic', 1, () {
     final div = document.createElement('div');
     div.id = 'testid';
     document.body.appendChild(div);
     div.addEventListener('test', (e) => Expect.equals(0, _isolateId), false);
     div.addEventListener('done', (e) => callbackDone(), false);
     new TestIsolate().spawn();
   });
 }