DO NOT SUBMIT: Example test that blocks on mac.

chrome/test/data/extensions/platform_apps/example/basic/window.js

Index: chrome/test/data/extensions/platform_apps/example/basic/window.js
diff --git a/chrome/test/data/extensions/platform_apps/example/basic/window.js b/chrome/test/data/extensions/platform_apps/example/basic/window.js
new file mode 100644
index 0000000000000000000000000000000000000000..0ee0f094130f67c68ed497aa29c27c2ea91bb231
--- /dev/null
+++ b/chrome/test/data/extensions/platform_apps/example/basic/window.js
@@ -0,0 +1,13 @@
+// Copyright 2015 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.
+//
+'use strict';
+
+window.onload = function() {
+  window.addEventListener('keyup', function(e) {
+    console.log('key up');
+    chrome.test.sendMessage('KEY_UP');
+  });
+  chrome.test.sendMessage('LOADED');
+}