Move yet another block of tests to manifest_version 2

chrome/test/data/extensions/api_test/page_action/old_api/background.js

+// 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.
+
+chrome.pageActions["action"].addListener(function(actionId, info) {
+  if (actionId == "action" && typeof(info.tabId) == "number" &&
+      typeof(info.tabUrl) == "string" && info.button == 1) {
+    chrome.test.notifyPass();
+  } else {
+    chrome.test.notifyFail("pageActions listener failed");
+  }
+});
+
+chrome.test.notifyPass();