Map lists back to typed arrays

sdk/lib/html/dart2js/html_dart2js.dart

 /// The Dart HTML library.
 library dart.dom.html;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_collection-dev';
 import 'dart:html_common';
 import 'dart:indexed_db';
 import 'dart:isolate';
 import 'dart:json' as json;
@@ skipping 12809 matching lines @@
   @DomName('MediaKeyEvent.defaultURL')
   @DocsEditable
   final String defaultUrl;
 
   @DomName('MediaKeyEvent.errorCode')
   @DocsEditable
   final MediaKeyError errorCode;
 
   @DomName('MediaKeyEvent.initData')
   @DocsEditable
-  @Returns('Uint8List')
-  @Creates('Uint8List')
-  final List<int> initData;
+  final Uint8List initData;
 
   @DomName('MediaKeyEvent.keySystem')
   @DocsEditable
   final String keySystem;
 
   @DomName('MediaKeyEvent.message')
   @DocsEditable
-  @Returns('Uint8List')
-  @Creates('Uint8List')
-  final List<int> message;
+  final Uint8List message;
 
   @DomName('MediaKeyEvent.sessionId')
   @DocsEditable
   final String sessionId;
 
   @DomName('MediaKeyEvent.systemCode')
   @DocsEditable
   final int systemCode;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
@@ skipping 12724 matching lines @@
       _position = nextPosition;
       return true;
     }
     _current = null;
     _position = _array.length;
     return false;
   }
 
   T get current => _current;
 }