IndexedDB: Test for "close" event when connection is force-closed.

content/test/data/indexeddb/force_close_event.js

Index: content/test/data/indexeddb/force_close_event.js
diff --git a/content/test/data/indexeddb/force_close_event.js b/content/test/data/indexeddb/force_close_event.js
new file mode 100644
index 0000000000000000000000000000000000000000..44861c6d31a02177edcf96bf3119a3e99c9c5d12
--- /dev/null
+++ b/content/test/data/indexeddb/force_close_event.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2013 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.
+
+function test() {
+  indexedDBTest(onUpgradeNeeded, onOpenSuccess);
+}
+
+function onUpgradeNeeded(e) {
+}
+
+function onOpenSuccess(e) {
+  // Don't let GC claim the connection
+  window.db = e.target.result;
+  window.db.onclose = onDatabaseClose;
+  document.title = 'connection ready';
+}
+
+function onDatabaseClose(e)
+{
+  document.title = 'connection closed';
+}