Try to address flaxy IndexedDB pyauto tests.

chrome/test/data/indexeddb/version_change_crash.js

 // Copyright (c) 2011 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;
 window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction;
 
 window.testResult = '';
 
-var INDUCE_BROWSER_CRASH_URL = 'about:inducebrowsercrashforrealz';
-function crashBrowser() {
-  chrome.tabs.create({url: INDUCE_BROWSER_CRASH_URL}, callbackFail(ERROR));
+function unexpectedErrorCallback()
+{
+  document.title = 'fail - unexpected error callback';
+}
+function unexpectedAbortCallback()
+{
+  document.title = 'fail - unexpected abort callback';
+}
+function unexpectedCompleteCallback()
+{
+  document.title = 'fail - unexpected complete callback';
 }
 
-
 function test() {
-
-  var openreq = window.indexedDB.open('test-db');
-  openreq.onsuccess = function(e) {
-    var db = openreq.result;
-
-    if (document.location.hash === '#part1') {
-      testPart1(db);
-    } else if (document.location.hash === '#part2') {
-      testPart2(db);
-    } else if (document.location.hash === '#part3') {
-      testPart3(db);
-    } else {
-      window.testResult = 'fail';
-    }
-  };
+  if (document.location.hash === '#part1') {
+    testPart1();
+  } else if (document.location.hash === '#part2') {
+    testPart2();
+  } else if (document.location.hash === '#part3') {
+    testPart3();
+  } else {
+    document.title = 'fail';
+  }
 }
 
-function testPart1(db) {
+function testPart1() {
   // Prepare the database, then exit normally
 
   // Set version 1, create store1
-  var setverreq = db.setVersion('1.0');
-  setverreq.onsuccess = function(e) {
-    db.createObjectStore('store1');
-    setverreq.result.oncomplete = function (e) {
-      window.testResult = 'part1 - complete';
+  var delreq = window.indexedDB.deleteDatabase('version-change-crash');
+  delreq.onerror = unexpectedErrorCallback;
+  delreq.onsuccess = function() {
+    var openreq = window.indexedDB.open('version-change-crash');
+    openreq.onerror = unexpectedErrorCallback;
+    openreq.onsuccess = function(e) {
+      var db = openreq.result;
+      var setverreq = db.setVersion('1');
+      setverreq.onerror = unexpectedErrorCallback;
+      setverreq.onsuccess = function(e) {
+        var transaction = setverreq.result;
+        db.createObjectStore('store1');
+        transaction.onabort = unexpectedAbortCallback;
+        transaction.oncomplete = function (e) {
+          document.title = 'pass - part1 - complete';
+        };
+      };
     };
   };
 }
 
-function testPart2(db) {
+function testPart2() {
   // Start a VERSION_CHANGE then crash
 
   // Set version 2, twiddle stores and crash
-  var setverreq = db.setVersion('2.0');
-  setverreq.onsuccess = function(e) {
-    var store = db.createObjectStore('store2');
-    window.testResult = 'part2 - crash me';
+  var openreq = window.indexedDB.open('version-change-crash');
+  openreq.onerror = unexpectedErrorCallback;
+  openreq.onsuccess = function(e) {
+    var db = openreq.result;
+    var setverreq = db.setVersion('2');
+    setverreq.onerror = unexpectedErrorCallback;
+    setverreq.onsuccess = function(e) {
+      var transaction = setverreq.result;
+      transaction.onabort = unexpectedAbortCallback;
+      transaction.oncomplete = unexpectedCompleteCallback;
 
-    // Keep adding to the transaction so it can't commit
-    (function loop() { store.put(0, 0).onsuccess = loop; }());
+      var store = db.createObjectStore('store2');
+      document.title = 'pass - part2 - crash me';
+
+      // Keep adding to the transaction so it can't commit
+      (function loop() { store.put(0, 0).onsuccess = loop; }());
+    };
   };
 }
 
-function testPart3(db) {
+function testPart3() {
   // Validate that Part 2 never committed
 
   // Check version
-  if (db.version !== '1.0') {
-    window.testResult = 'fail, version incorrect';
-    return;
-  }
+  var openreq = window.indexedDB.open('version-change-crash');
+  openreq.onerror = unexpectedErrorCallback;
+  openreq.onsuccess = function(e) {
+    var db = openreq.result;
+    if (db.version !== '1') {
+      document.title = 'fail - version incorrect';
+      return;
+    }
 
-  if (!db.objectStoreNames.contains('store1')) {
-    window.testResult = 'fail, store1 does not exist';
-    return;
-  }
+    if (!db.objectStoreNames.contains('store1')) {
+      document.title = 'fail - store1 does not exist';
+      return;
+    }
 
-  if (db.objectStoreNames.contains('store2')) {
-    window.testResult = 'fail, store2 exists';
-    return;
-  }
+    if (db.objectStoreNames.contains('store2')) {
+      document.title = 'fail - store2 exists';
+      return;
+    }
 
-  window.testResult = 'part3 - pass';
+    document.title = 'pass - part3 - rolled back';
+  };
 }