Fix IndexedDB race condition during shutdown.

chrome/test/data/indexeddb/transaction_test.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.
 
 function finalTransactionCompleted()
 {
   debug('The final transaction completed.');
   done();
 }
 
 function finalTransactionAborted()
 {
   fail('The final transaction should not abort.');
 }
 
 function emplyeeNotFound()
 {
   debug('Employee not found.');
 }
 
 function newTransactionAborted()
 {
   debug('The transaction was aborted.');
 
-  var finalTransaction = db.transaction([], IDBTransaction.READ_ONLY, 0);
+  var finalTransaction = db.transaction({objectStoreNames: [], mode: IDBTransaction.READ_ONLY});
   finalTransaction.oncomplete = finalTransactionCompleted;
   finalTransaction.onabort = finalTransactionAborted;
 
   var request = finalTransaction.objectStore('employees').get(0);
   request.onsuccess = unexpectedSuccessCallback;
   request.onerror = emplyeeNotFound;
 }
 
 function newTransactionCompleted()
 {
   fail('The new transaction should not complete.');
 }
 
 function employeeAdded()
 {
   debug('Added an employee inside the transaction.');
 }
 
 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 = newTransactionCompleted;
   newTransaction.onabort = newTransactionAborted;
 
   var request = newTransaction.objectStore('employees').put(
       {id: 0, name: 'John Doe', desk: 'LON-BEL-123'});
   request.onsuccess = employeeAdded;
   request.onerror = unexpectedErrorCallback;
 
   newTransaction.abort();
 }
@@ skipping 25 matching lines @@
     IDBCursor = webkitIDBCursor;
     IDBKeyRange = webkitIDBKeyRange;
     IDBTransaction = webkitIDBTransaction;
   }
 
   debug('Connecting to indexedDB.');
   var result = indexedDB.open('name');
   result.onsuccess = setVersion;
   result.onerror = unexpectedErrorCallback;
 }