Make DOMType the root of DOM implementation types.

client/dom/generated/src/frog/StyleSheetList.dart

Index: client/dom/generated/src/frog/StyleSheetList.dart
diff --git a/client/dom/generated/src/frog/StyleSheetList.dart b/client/dom/generated/src/frog/StyleSheetList.dart
index c7a730ab0c1c6dece9391b7421f52bf511c741f2..bc3984b87ad7f93c5cbc7f323b0c4bfa90007bae 100644
--- a/client/dom/generated/src/frog/StyleSheetList.dart
+++ b/client/dom/generated/src/frog/StyleSheetList.dart
@@ -1,17 +1,13 @@
 
-class StyleSheetListJS implements StyleSheetList native "*StyleSheetList" {
+class StyleSheetListJs extends DOMTypeJs implements StyleSheetList native "*StyleSheetList" {
 
   int get length() native "return this.length;";
 
-  StyleSheetJS operator[](int index) native;
+  StyleSheetJs operator[](int index) native;
 
-  void operator[]=(int index, StyleSheetJS value) {
+  void operator[]=(int index, StyleSheetJs value) {
     throw new UnsupportedOperationException("Cannot assign element of immutable List.");
   }
 
-  StyleSheetJS item(int index) native;
-
-  var dartObjectLocalStorage;
-
-  String get typeName() native;
+  StyleSheetJs item(int index) native;
 }