Move another bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/content_scripts/isolated_world2/background.js

Index: chrome/test/data/extensions/api_test/content_scripts/isolated_world2/background.js
===================================================================
--- chrome/test/data/extensions/api_test/content_scripts/isolated_world2/background.js	(revision 0)
+++ chrome/test/data/extensions/api_test/content_scripts/isolated_world2/background.js	(revision 0)
@@ -0,0 +1,20 @@
+// 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.assertTrue(msg);
+    chrome.test.notifyPass();
+  });
+});
+
+chrome.tabs.getAllInWindow(null, function(tabs) {
+  chrome.test.log("Got tabs: " + JSON.stringify(tabs));
+
+  // The last tab is the one that the other extension should have run scripts
+  // in.
+  chrome.tabs.executeScript(tabs.pop().id, {file: "a.js"});
+});