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

client/tests/client/dom/DartObjectLocalStorageTest.dart

 #library('DartObjectLocalStorageTest');
-#import('../../../testing/unittest/unittest.dart');
+#import('../../../testing/unittest/unittest_dom.dart');
 #import('dart:dom');
 
 verify(var object) {
   final value = window.document;
   object.dartObjectLocalStorage = value;
   final stored = object.dartObjectLocalStorage;
   Expect.equals(value, stored);
 }
 
 main() {
@@ skipping 11 matching lines @@
       verify(storage);
   });
   test('unknown', () {
       var element = document.createElement('canvas');
       element.id = 'test';
       document.body.appendChild(element);
       element = document.getElementById('test');
       verify(element);
   });
 }