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

client/html/generated/html/frog/History.dart

+
+class _HistoryImpl implements History native "*History" {
+
+  final int length;
+
+  final Dynamic state;
+
+  void back() native;
+
+  void forward() native;
+
+  void go(int distance) native;
+
+  void pushState(Object data, String title, [String url = null]) native;
+
+  void replaceState(Object data, String title, [String url = null]) native;
+}