Move another bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/cookies/no_permission/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.test.runTests([
+  function readCookies() {
+    try {
+      chrome.cookies.get({url: document.location.href, name: 'a'}, function() {
+      });
+    } catch (e) {
+      chrome.test.assertTrue(e.message.indexOf(
+          "You do not have permission to use 'cookies.get'.") == 0);
+      chrome.test.succeed();
+      return;
+    }
+
+    chrome.test.fail();
+  }
+]);