Move another block of extension tests to manifest_version 2

chrome/test/data/extensions/api_test/preference/standard/test.html

-<script>
-// Preferences API test
-// Run with browser_tests --gtest_filter=ExtensionApiTest.PreferenceApi
-
-var preferences_to_test = [
-  {
-    root: chrome.experimental.privacy.network,
-    preferences: [
-      'networkPredictionEnabled'
-    ]
-  },
-  {
-    root: chrome.experimental.privacy.websites,
-    preferences: [
-      'thirdPartyCookiesAllowed',
-      'hyperlinkAuditingEnabled',
-      'referrersEnabled'
-    ]
-  },
-  {
-    root: chrome.experimental.privacy.services,
-    preferences: [
-      'alternateErrorPagesEnabled',
-      'autofillEnabled',
-      'instantEnabled',
-      // TODO(mkwst): 'metricsReportingEnabled',
-      'safeBrowsingEnabled',
-      'searchSuggestEnabled',
-      'translationServiceEnabled'
-    ]
-  },
-];
-
-function expect(expected, message) {
-  return chrome.test.callbackPass(function(value) {
-    chrome.test.assertEq(expected, value, message);
-  });
-}
-
-function expectFalse(pref) {
-  return expect({
-    value: false,
-    levelOfControl: 'controllable_by_this_extension'
-  }, '`' + pref + '` is expected to be false.');
-}
-
-function prefGetter(pref) {
-  this[pref].get({}, expectFalse(pref));
-}
-
-function prefSetter(pref) {
-  this[pref].set({value: true}, chrome.test.callbackPass());
-}
-
-chrome.test.runTests([
-  function getPreferences() {
-    for (var i = 0; i < preferences_to_test.length; i++) {
-      preferences_to_test[i].preferences.forEach(
-          prefGetter.bind(preferences_to_test[i].root));
-    }
-  },
-  function setGlobals() {
-    for (var i = 0; i < preferences_to_test.length; i++) {
-      preferences_to_test[i].preferences.forEach(
-          prefSetter.bind(preferences_to_test[i].root));
-    }
-  }
-]);
-</script>
+<!--
+ * 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.
+-->
+<script src="test.js"></script>