Move another block of extension tests to manifest_version 2.

chrome/test/data/extensions/trigger_actions/browser_action/background.js

Index: chrome/test/data/extensions/trigger_actions/browser_action/background.js
===================================================================
--- chrome/test/data/extensions/trigger_actions/browser_action/background.js	(revision 0)
+++ chrome/test/data/extensions/trigger_actions/browser_action/background.js	(revision 0)
@@ -0,0 +1,9 @@
+// Copyright (c) 2011 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.
+
+// Turn the background red when the user clicks on the browser action.
+chrome.browserAction.onClicked.addListener(function(tab) {
+  chrome.tabs.executeScript(
+      null, {code: "document.body.style.backgroundColor='red'"});
+});