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

client/html/generated/html/dartium/ModElement.dart

+
+class _ModElementImpl extends _ElementImpl implements ModElement {
+  _ModElementImpl._wrap(ptr) : super._wrap(ptr);
+
+  String get cite() => _wrap(_ptr.cite);
+
+  void set cite(String value) { _ptr.cite = _unwrap(value); }
+
+  String get dateTime() => _wrap(_ptr.dateTime);
+
+  void set dateTime(String value) { _ptr.dateTime = _unwrap(value); }
+}