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

client/html/generated/html/dartium/NotificationCenter.dart

+
+class _NotificationCenterImpl extends _DOMTypeBase implements NotificationCenter {
+  _NotificationCenterImpl._wrap(ptr) : super._wrap(ptr);
+
+  int checkPermission() {
+    return _wrap(_ptr.checkPermission());
+  }
+
+  Notification createHTMLNotification(String url) {
+    return _wrap(_ptr.createHTMLNotification(_unwrap(url)));
+  }
+
+  Notification createNotification(String iconUrl, String title, String body) {
+    return _wrap(_ptr.createNotification(_unwrap(iconUrl), _unwrap(title), _unwrap(body)));
+  }
+
+  void requestPermission(VoidCallback callback) {
+    _ptr.requestPermission(_unwrap(callback));
+    return;
+  }
+}