Revert "fixes #173, ability to use native JS indexers"

test/codegen/sunflower/dom.dart

Index: test/codegen/sunflower/dom.dart
diff --git a/test/codegen/sunflower/dom.dart b/test/codegen/sunflower/dom.dart
index fdbe3764b2e1fba2f92e59e04e217c96a39c8fc7..e41c7561f8961bb21dd47998dd585a16ddec6f1e 100644
--- a/test/codegen/sunflower/dom.dart
+++ b/test/codegen/sunflower/dom.dart
@@ -19,10 +19,6 @@ class Overload {
 }
 const overload = const Overload();
 
-class JsIndexer {
-  const JsIndexer();
-}
-
 external Document get document;
 
 @JsName(name: 'Document')
@@ -34,27 +30,10 @@ abstract class Document {
 abstract class Element {
   void addEventListener(String type, EventListener callback, [bool capture]);
   String textContent;
-  NodeList get childNodes;
-}
-
-@JsName()
-class Node {}
-
-@JsName()
-@JsIndexer()
-class NodeList {
-  external NodeList();
-  external num get length;
-  external set length(num _);
-  external Node item(num index);
-
-  external Node operator [](num index);
-  external void operator []=(num index, Node);
 }
 
 typedef void EventListener(Event e);
 
-@JsName()
 abstract class Event {}
 
 @JsName(name: 'HTMLInputElement')