Fix IndexedDB race condition during shutdown.

chrome/test/data/indexeddb/transaction_run_forever.js

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 loopCount = 0;
 function endlessLoop()
 {
   var request = objectStore.get(0);
   request.onsuccess = endlessLoop;
   request.onerror = unexpectedErrorCallback;
 
   loopCount += 1;
   if (loopCount == 7) {
     // If we've already looped 7 times, it's pretty safe to assume
     // we'll continue looping for some time...
     debug("Looping infinitely within a transaction.");
     done();
   }
 }
 
 function newTransactionComplete()
 {
   debug('The transaction completed.');
 
-  var finalTransaction = db.transaction([], IDBTransaction.READ_ONLY, 0);
+  var finalTransaction = db.transaction({objectStoreNames: [], mode: IDBTransaction.READ_ONLY});
   finalTransaction.oncomplete = unexpectedCompleteCallback;
   finalTransaction.onabort = unexpectedErrorCallback;
 
   objectStore = finalTransaction.objectStore('employees');
   endlessLoop();
   endlessLoop(); // Make sure at least one is in flight at any time.
 }
 
 function onSetVersionComplete()
 {
   debug('Creating new transaction.');
-  var newTransaction = db.transaction([], IDBTransaction.READ_WRITE, 0);
+  var newTransaction = db.transaction({objectStoreNames: [], mode: IDBTransaction.READ_WRITE});
   newTransaction.oncomplete = newTransactionComplete;
   newTransaction.onabort = unexpectedAbortCallback;
 
   var request = newTransaction.objectStore('employees').put(
       {id: 0, name: 'John Doe', desk: 'LON-BEL-123'});
   request.onerror = unexpectedErrorCallback;
 }
 
 function onSetVersion()
 {
@@ skipping 22 matching lines @@
     IDBCursor = webkitIDBCursor;
     IDBKeyRange = webkitIDBKeyRange;
     IDBTransaction = webkitIDBTransaction;
   }
 
   debug('Connecting to indexedDB.');
   var result = indexedDB.open('name');
   result.onsuccess = setVersion;
   result.onerror = unexpectedErrorCallback;
 }