First unit test for Google Now extension

chrome/browser/resources/google_now/background_test_util.js

+// 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.
+
+// Mocks for globals needed for loading background.js.
+
+function emptyMock() {}
+function buildTaskManager() {
+  return {instrumentApiFunction: emptyMock};
+}
+var instrumentApiFunction = emptyMock;
+var buildAttemptManager = emptyMock;
+var emptyListener = {addListener: emptyMock};
+chrome['location'] = {onLocationUpdate: emptyListener};
+chrome['notifications'] = {
+  onButtonClicked: emptyListener,
+  onClicked: emptyListener,
+  onClosed: emptyListener
+};
+chrome['omnibox'] = {onInputEntered: emptyListener};
+chrome['runtime'] = {
+  onInstalled: emptyListener,
+  onStartup: emptyListener
+};
+var storage = {};