Fire window.onerror for uncaught IndexedDB errors

LayoutTests/storage/indexeddb/resources/delete-in-upgradeneeded-close-in-versionchange.js

 if (this.importScripts) {
     importScripts('../../../resources/js-test.js');
     importScripts('shared.js');
 }
 
 description("Test that a deleteDatabase called while handling an upgradeneeded event is queued and fires its events at the right time. The close() call to unblock the delete occurs in the connection's 'versionchange' event handler.");
 
 function test()
 {
     removeVendorPrefixes();
     setDBNameFromPath();
 
     request = evalAndLog("indexedDB.deleteDatabase(dbname)");
     request.onsuccess = initiallyDeleted;
     request.onerror = unexpectedErrorCallback;
 }
 
 var sawUpgradeNeeded = false;
 var sawVersionChange = false;
 var sawDeleteBlocked = false;
 
 function initiallyDeleted(evt) {
     preamble(evt);
     evalAndLog("request = indexedDB.open(dbname, 1)");
     request.onupgradeneeded = upgradeNeededCallback;
     request.onsuccess = unexpectedSuccessCallback;
+    expectError();
 }
 
 function upgradeNeededCallback(evt)
 {
     preamble(evt);
     shouldBeFalse("sawUpgradeNeeded");
     evalAndLog("sawUpgradeNeeded = true");
     shouldBe("event.oldVersion", "0");
     shouldBe("event.newVersion", "1");
 
@@ skipping 26 matching lines @@
 {
     preamble(evt);
     shouldBeTrue("sawVersionChange");
     debug("FIXME: Blocked events shouldn't fire if connections close in versionchange handler. http://crbug.com/100123");
     shouldBeFalse("sawDeleteBlocked");
     shouldBeTrue("sawUpgradeNeeded");
     finishJSTest();
 }
 
 test();