New version of dart:html

client/html/generated/src/wrapping/_Int8ArrayWrappingImplementation.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 Int8ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Int8Array {
   Int8ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Int8Array subarray(int start, [int end = null]) {
+  Int8Array subarray(int start, [int end]) {
     if (end === null) {
       return LevelDom.wrapInt8Array(_ptr.subarray(start));
     } else {
       return LevelDom.wrapInt8Array(_ptr.subarray(start, end));
     }
   }
 }