Add PositionOptions type to registry.

lib/dom/frog/dom_frog.dart

 #library('dom');
 
 // 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.
 
 // DO NOT EDIT
 // Auto-generated Dart DOM library.
 
 
@@ skipping 2587 matching lines @@
 
   void setElements(Object array, [int offset = null]) native 'set';
 
   _Float64ArrayJs subarray(int start, [int end = null]) native;
 }
 
 class _GeolocationJs extends _DOMTypeJs implements Geolocation native "*Geolocation" {
 
   void clearWatch(int watchId) native;
 
-  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null]) native;
+  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null, Object options = null]) native;
 
-  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null]) native;
+  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null, Object options = null]) native;
 }
 
 class _GeopositionJs extends _DOMTypeJs implements Geoposition native "*Geoposition" {
 
   final _CoordinatesJs coords;
 
   final int timestamp;
 }
 
 class _HTMLAllCollectionJs extends _DOMTypeJs implements HTMLAllCollection native "*HTMLAllCollection" {
@@ skipping 12476 matching lines @@
 // Copyright (c) 2012, 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.
 
 interface Geolocation {
 
   void clearWatch(int watchId);
 
-  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback]);
+  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback, Object options]);
 
-  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback]);
+  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback, Object options]);
 }
 // Copyright (c) 2012, 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.
 
 interface Geoposition {
 
   final Coordinates coords;
@@ skipping 10122 matching lines @@
     if (length < 0) throw new IllegalArgumentException('length');
     if (start < 0) throw new IndexOutOfRangeException(start);
     int end = start + length;
     if (end > a.length) throw new IndexOutOfRangeException(end);
     for (int i = start; i < end; i++) {
       accumulator.add(a[i]);
     }
     return accumulator;
   }
 }