Browser test for migrating from schema v0 to v1

content/test/data/indexeddb/migration_test.js

+// Copyright (c) 2012 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 test() {
+  request = webkitIndexedDB.open('open-close-version-test1');
+  request.onsuccess = openTest2;
+  request.onerror = unexpectedErrorCallback;
+  request.onblocked = unexpectedBlockedCallback;
+}
+
+function openTest2(event) {
+  db = event.target.result;
+  debug("Ensure that the existing leveldb files are used. If they are not, " +
+        "this script will create a new database that has no object stores");
+  shouldBe("db.objectStoreNames.length", "1");
+  shouldBeEqualToString("typeof db.version", "string");
+  request = webkitIndexedDB.open('open-close-version-test2');
+  request.onsuccess = done;
+  request.onerror = unexpectedErrorCallback;
+  request.onblocked = unexpectedBlockedCallback;
+}