New version of dart:html

client/html/generated/src/wrapping/_GeolocationWrappingImplementation.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 GeolocationWrappingImplementation extends DOMWrapperBase implements Geolocation {
   GeolocationWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void clearWatch(int watchId) {
     _ptr.clearWatch(watchId);
     return;
   }
 
-  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null]) {
+  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback]) {
     if (errorCallback === null) {
-      _ptr.getCurrentPosition(LevelDom.unwrap(successCallback));
+      _ptr.getCurrentPosition(successCallback);
       return;
     } else {
-      _ptr.getCurrentPosition(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      _ptr.getCurrentPosition(successCallback, LevelDom.unwrap(errorCallback));
       return;
     }
   }
 
-  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null]) {
+  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback]) {
     if (errorCallback === null) {
-      return _ptr.watchPosition(LevelDom.unwrap(successCallback));
+      return _ptr.watchPosition(successCallback);
     } else {
-      return _ptr.watchPosition(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      return _ptr.watchPosition(successCallback, LevelDom.unwrap(errorCallback));
     }
   }
 }