Move another set of extension tests to manifest_version 2

chrome/test/data/extensions/api_test/preference/clear/test.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.
+
+// Content settings API test
+// Run with browser_tests --gtest_filter=ExtensionApiTest.PreferenceClear
+
+var pw = chrome.experimental.privacy.websites;
+chrome.test.runTests([
+  function getThirdPartyCookiesAllowed() {
+    pw.thirdPartyCookiesAllowed.get({}, chrome.test.callbackPass(
+        function(allowed) {
+          chrome.test.assertEq(
+              allowed,
+              {
+                'value': false,
+                'levelOfControl': "controllable_by_this_extension"
+              },
+              "third-party cookies should be blocked");
+        }));
+  },
+  function setThirdPartyCookiesAllowed() {
+    pw.thirdPartyCookiesAllowed.set(
+        {'value': true},
+        chrome.test.callbackPass());
+  },
+  function clearThirdPartyCookiesAllowed() {
+    pw.thirdPartyCookiesAllowed.clear({}, chrome.test.callbackPass());
+  },
+  function getThirdPartyCookiesAllowed2() {
+    pw.thirdPartyCookiesAllowed.get({}, chrome.test.callbackPass(
+        function(allowed) {
+          chrome.test.assertEq(
+              allowed,
+              {
+                'value': false,
+                'levelOfControl': "controllable_by_this_extension"
+              },
+              "third-party cookies should be blocked");
+        }));
+  }
+]);