Fix overloading for IDBDatabase transaction

sdk/lib/_blink/dartium/_blink_dartium.dart

 /**
  * This library provides entry points to the native Blink code which backs
  * up the dart:html library.
  */
 library dart.dom._blink;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:html';
 import 'dart:_internal' hide Symbol, deprecated;
@@ skipping 4066 matching lines @@
   static $version_Getter(mthis) native "IDBDatabase_version_Getter";
 
   static $close_Callback(mthis) native "IDBDatabase_close_Callback_RESOLVER_STRING_0_";
 
   static $createObjectStore_Callback(mthis, name, options) native "IDBDatabase_createObjectStore_Callback_RESOLVER_STRING_2_DOMString_Dictionary";
 
   static $deleteObjectStore_Callback(mthis, name) native "IDBDatabase_deleteObjectStore_Callback_RESOLVER_STRING_1_DOMString";
 
   // Generated overload resolver
   static $transaction(mthis, storeName_OR_storeNames, mode) {
-    if ((mode is String || mode == null) && (storeName_OR_storeNames is List<String> || storeName_OR_storeNames == null)) {
+    if ((mode is String || mode == null) && (storeName_OR_storeNames is DomStringList || storeName_OR_storeNames == null)) {
       return $_transaction_1_Callback(mthis, storeName_OR_storeNames, mode);
     }
     if ((mode is String || mode == null) && (storeName_OR_storeNames is List<String> || storeName_OR_storeNames == null)) {
       return $_transaction_2_Callback(mthis, storeName_OR_storeNames, mode);
     }
     if ((mode is String || mode == null) && (storeName_OR_storeNames is String || storeName_OR_storeNames == null)) {
       return $_transaction_3_Callback(mthis, storeName_OR_storeNames, mode);
     }
     throw new ArgumentError("Incorrect number or type of arguments");
   }
@@ skipping 5405 matching lines @@
   static containsKey(_DOMStringMap, key) native "DOMStringMap_containsKey_Callback";
 
   static item(_DOMStringMap, key) native "DOMStringMap_item_Callback";
 
   static setItem(_DOMStringMap, key, value) native "DOMStringMap_setItem_Callback";
 
   static remove(_DOMStringMap, key) native "DOMStringMap_remove_Callback";
 
   static get_keys(_DOMStringMap) native "DOMStringMap_getKeys_Callback";
 }