Move another bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/content_scripts/isolated_world1/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.extension.onConnect.addListener(function(port) {
+  chrome.test.log("got connect");
+  port.onMessage.addListener(function(msg) {
+    chrome.test.log("got message: " + msg);
+    chrome.test.assertEq(2, msg);
+    chrome.test.notifyPass();
+  });
+});
+
+chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
+  chrome.test.log("Got update event: " + JSON.stringify(changeInfo));
+  if (changeInfo.status == "complete") {
+    chrome.tabs.executeScript(tabId, {file: "c.js"});
+    chrome.tabs.onUpdated.removeListener(arguments.callee);
+  }
+});
+
+chrome.test.getConfig(function(config) {
+  chrome.test.log("Creating tab...");
+  chrome.tabs.create({
+    url: "http://localhost:PORT/files/extensions/test_file.html"
+             .replace(/PORT/, config.testServer.port)
+  });
+});