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

client/html/generated/html/frog/Clipboard.dart

+
+class _ClipboardImpl implements Clipboard native "*Clipboard" {
+
+  String dropEffect;
+
+  String effectAllowed;
+
+  final _FileListImpl files;
+
+  final _DataTransferItemListImpl items;
+
+  final List types;
+
+  void clearData([String type = null]) native;
+
+  void getData(String type) native;
+
+  bool setData(String type, String data) native;
+
+  void setDragImage(_ImageElementImpl image, int x, int y) native;
+}