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

client/html/generated/html/dartium/SourceElement.dart

+
+class _SourceElementImpl extends _ElementImpl implements SourceElement {
+  _SourceElementImpl._wrap(ptr) : super._wrap(ptr);
+
+  String get media() => _wrap(_ptr.media);
+
+  void set media(String value) { _ptr.media = _unwrap(value); }
+
+  String get src() => _wrap(_ptr.src);
+
+  void set src(String value) { _ptr.src = _unwrap(value); }
+
+  String get type() => _wrap(_ptr.type);
+
+  void set type(String value) { _ptr.type = _unwrap(value); }
+}