Refresh dom_frog.

client/dom/generated/src/wrapping/_IDBDatabaseWrappingImplementation.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 _IDBDatabaseWrappingImplementation extends DOMWrapperBase implements IDBDatabase {
   _IDBDatabaseWrappingImplementation() : super() {}
 
   static create__IDBDatabaseWrappingImplementation() native {
@@ skipping 71 matching lines @@
     }
   }
   static void _removeEventListener(receiver, type, listener) native;
   static void _removeEventListener_2(receiver, type, listener, useCapture) native;
 
   IDBVersionChangeRequest setVersion(String version) {
     return _setVersion(this, version);
   }
   static IDBVersionChangeRequest _setVersion(receiver, version) native;
 
-  IDBTransaction transaction(var storeName_OR_storeNames, int mode) {
+  IDBTransaction transaction(var storeName_OR_storeNames, [int mode = null]) {
     if (storeName_OR_storeNames is List<String>) {
       return _transaction(this, storeName_OR_storeNames, mode);
     } else {
       if (storeName_OR_storeNames is String) {
         return _transaction_2(this, storeName_OR_storeNames, mode);
       }
     }
     throw "Incorrect number or type of arguments";
   }
   static IDBTransaction _transaction(receiver, storeName_OR_storeNames, mode) native;
   static IDBTransaction _transaction_2(receiver, storeName_OR_storeNames, mode) native;
 
   String get typeName() { return "IDBDatabase"; }
 }