Safely wrap window.top in frog dom.

client/dom/generated/src/wrapping/_Uint8ClampedArrayWrappingImplementation.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 _Uint8ClampedArrayWrappingImplementation extends _Uint8ArrayWrappingImplementation implements Uint8ClampedArray {
   _Uint8ClampedArrayWrappingImplementation() : super() {}
 
   static create__Uint8ClampedArrayWrappingImplementation() native {
     return new _Uint8ClampedArrayWrappingImplementation();
   }
 
   int get length() { return _get_length_Uint8ClampedArray(this); }
   static int _get_length_Uint8ClampedArray(var _this) native;
 
+  void setElements(Object array, [int offset = null]) {
+    if (offset === null) {
+      _setElements(this, array);
+      return;
+    } else {
+      _setElements_2(this, array, offset);
+      return;
+    }
+  }
+  static void _setElements(receiver, array) native;
+  static void _setElements_2(receiver, array, offset) native;
+
   Uint8ClampedArray subarray(int start, [int end = null]) {
     if (end === null) {
       return _subarray_Uint8ClampedArray(this, start);
     } else {
       return _subarray_Uint8ClampedArray_2(this, start, end);
     }
   }
   static Uint8ClampedArray _subarray_Uint8ClampedArray(receiver, start) native;
   static Uint8ClampedArray _subarray_Uint8ClampedArray_2(receiver, start, end) native;
 
   String get typeName() { return "Uint8ClampedArray"; }
 }