Fix IDB pyauto tests on cros by preventing restore after restart

chrome/test/data/indexeddb/version_change_blocked.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.
 
-window.indexedDB = window.indexedDB || window.webkitIndexedDB;
-
-function unexpectedErrorCallback()
+function test()
 {
-  document.title = 'fail - unexpected error callback';
-}
-function unexpectedAbortCallback()
-{
-  document.title = 'fail - unexpected abort callback';
-}
-function unexpectedCompleteCallback()
-{
-  document.title = 'fail - unexpected complete callback';
-}
-
-function test() {
   if (document.location.hash === '#tab1') {
     prepareDatabase(0, function () { doSetVersion(1); });
   } else if (document.location.hash === '#tab2') {
     doSetVersion(2);
   } else {
-    document.title = 'fail';
+    result('fail - unexpected hash');
   }
 }
 
-function prepareDatabase(version, callback) {
+function prepareDatabase(version, callback)
+{
   // Prepare the database, then exit normally
-
   var delreq = window.indexedDB.deleteDatabase('version-change-blocked');
   delreq.onerror = unexpectedErrorCallback;
   delreq.onsuccess = function() {
     var openreq = window.indexedDB.open('version-change-blocked');
     openreq.onerror = unexpectedErrorCallback;
     openreq.onsuccess = function(e) {
       var db = openreq.result;
       var setverreq = db.setVersion(String(version));
       setverreq.onerror = unexpectedErrorCallback;
       setverreq.onsuccess = function(e) {
         var transaction = setverreq.result;
         transaction.onabort = unexpectedAbortCallback;
         transaction.oncomplete = function (e) {
           db.close();
           callback();
         };
       };
     };
   };
 }
 
-function doSetVersion(version) {
+function doSetVersion(version)
+{
   // Open the database and try a setVersion
   var openreq = window.indexedDB.open('version-change-blocked');
   openreq.onerror = unexpectedErrorCallback;
   openreq.onsuccess = function(e) {
     window.db = openreq.result;
     var setverreq = window.db.setVersion(String(version));
     setverreq.onerror = unexpectedErrorCallback;
     setverreq.onblocked = function(e) {
-      document.title = 'setVersion(' + version + ') blocked';
+      result('setVersion(' + version + ') blocked');
     };
     setverreq.onsuccess = function(e) {
-      document.title = 'setVersion(' + version + ') complete';
+      result('setVersion(' + version + ') complete');
     };
   };
 }