Fire window.onerror for uncaught IndexedDB errors

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

Index: LayoutTests/storage/indexeddb/resources/delete-in-upgradeneeded-close-in-versionchange.js
diff --git a/LayoutTests/storage/indexeddb/resources/delete-in-upgradeneeded-close-in-versionchange.js b/LayoutTests/storage/indexeddb/resources/delete-in-upgradeneeded-close-in-versionchange.js
index 82828735d8f0c6df56b1f8fe0cf167abf5779166..fafa7d5e475761998b8a0a80a239246ba897a05f 100644
--- a/LayoutTests/storage/indexeddb/resources/delete-in-upgradeneeded-close-in-versionchange.js
+++ b/LayoutTests/storage/indexeddb/resources/delete-in-upgradeneeded-close-in-versionchange.js
@@ -16,12 +16,21 @@ function test()
 
 var sawUpgradeNeeded = false;
 var sawVersionChange = false;
+var sawOpenError = false;
 
 function initiallyDeleted(evt) {
     preamble(evt);
     evalAndLog("request = indexedDB.open(dbname, 1)");
     request.onupgradeneeded = upgradeNeededCallback;
     request.onsuccess = unexpectedSuccessCallback;
+    request.onerror = openError;
+}
+
+function openError(evt) {
+    preamble(evt);
+    shouldBeTrue("sawVersionChange");
+    evalAndLog("sawOpenError = true");
+    evt.preventDefault();
 }
 
 function upgradeNeededCallback(evt)
@@ -54,6 +63,7 @@ function deleteSuccessCallback(evt)
 {
     preamble(evt);
     shouldBeTrue("sawVersionChange");
+    shouldBeTrue("sawOpenError");
     shouldBeTrue("sawUpgradeNeeded");
     finishJSTest();
 }