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

client/html/generated/html/frog/AreaElement.dart

+
+class _AreaElementImpl extends _ElementImpl implements AreaElement native "*HTMLAreaElement" {
+
+  String alt;
+
+  String coords;
+
+  final String hash;
+
+  final String host;
+
+  final String hostname;
+
+  String href;
+
+  bool noHref;
+
+  final String pathname;
+
+  String ping;
+
+  final String port;
+
+  final String protocol;
+
+  final String search;
+
+  String shape;
+
+  String target;
+}