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 380ac0f10b43a435e3acd8bcde590a7c8cbdeed3..173a0fd88a9df318f5bd5aa168bc356ebe3d7d95 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
@@ -17,12 +17,21 @@ 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)
@@ -55,6 +64,7 @@ function deleteSuccessCallback(evt)
 {
     preamble(evt);
     shouldBeTrue("sawVersionChange");
+    shouldBeTrue("sawOpenError");
     shouldBeTrue("sawUpgradeNeeded");
     finishJSTest();
 }