New version of dart:html

client/html/generated/src/wrapping/_MediaListWrappingImplementation.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaListWrappingImplementation extends DOMWrapperBase implements MediaList {
   MediaListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   String get mediaText() { return _ptr.mediaText; }
 
   void set mediaText(String value) { _ptr.mediaText = value; }
 
   String operator[](int index) {
-    return item(index);
+    return _ptr[index];
   }
 
   void operator[]=(int index, String value) {
-    throw new UnsupportedOperationException("Cannot assign element of immutable List.");
+    _ptr[index] = value;
   }
 
   void add(String value) {
     throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void addLast(String value) {
     throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
@@ skipping 77 matching lines @@
 
   void deleteMedium(String oldMedium) {
     _ptr.deleteMedium(oldMedium);
     return;
   }
 
   String item(int index) {
     return _ptr.item(index);
   }
 }