Fix IndexedDB race condition during shutdown.

chrome/test/data/indexeddb/object_store_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.
 
 var testDate = new Date("February 24, 1955 12:00:00");
 
 function getByDateSuccess()
 {
   debug('Data retrieved by date key');
 
   shouldBe("event.result", "'foo'");
   done();
 }
 
 function recordNotFound()
 {
   debug('Removed data can no longer be found');
+  shouldBe("event.result", "undefined");
 
   debug('Retrieving an index');
   shouldBe("objectStore.index('fname_index').name", "'fname_index'");
 
   debug('Removing an index');
   try {
     objectStore.deleteIndex('fname_index');
   } catch(e) {
     fail(e);
   }
 
   var result = transaction.objectStore('stuff').get(testDate);
   result.onsuccess = getByDateSuccess;
   result.onerror = unexpectedErrorCallback;
 }
 
 function removeSuccess()
 {
   debug('Data removed');
 
   var result = objectStore.get(1);
-  result.onsuccess = unexpectedSuccessCallback;
-  result.onerror = recordNotFound;
+  result.onsuccess = recordNotFound;
+  result.onerror = unexpectedSuccessCallback;
 }
 
 function getSuccess()
 {
   debug('Data retrieved');
 
   shouldBe("event.result.fname", "'John'");
   shouldBe("event.result.lname", "'Doe'");
   shouldBe("event.result.id", "1");
 
@@ skipping 61 matching lines @@
   result.onerror = unexpectedErrorCallback;
 }
 
 function test()
 {
   debug('Connecting to indexedDB');
   var result = webkitIndexedDB.open('name');
   result.onsuccess = setVersion;
   result.onerror = unexpectedErrorCallback;
 }