Revert of Communicate ExtensionSettings policy to renderers

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

-// Copyright 2017 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.
-
-var pass = chrome.test.callbackPass;
-var callbackFail = chrome.test.callbackFail;
-var listenForever = chrome.test.listenForever;
-
-var port;
-
-function testUrl(domain) {
-  return 'http://' + domain + ':' + port +
-      '/extensions/test_file.html';
-}
-
-function error(domain) {
-  return 'Cannot access contents of url "' + testUrl(domain) + '".' +
-    ' Extension manifest must request permission to access this host.';
-}
-
-// Creates a new tab, navigated to the specified |domain|.
-function createTestTab(domain, callback) {
-  var createdTabId = -1;
-  var done = listenForever(
-      chrome.tabs.onUpdated,
-      function(tabId, changeInfo, tab) {
-    if (tabId == createdTabId && changeInfo.status != 'loading') {
-      callback(tab);
-      done();
-    }
-  });
-
-  chrome.tabs.create({url: testUrl(domain)}, pass(function(tab) {
-    createdTabId = tab.id;
-  }));
-}
-
-chrome.test.getConfig(function(config) {
-  port = config.testServer.port;
-  chrome.test.runTests([
-
-   // Make sure we can't inject a script into a policy blocked host.
-   function policyBlocksInjection() {
-    createTestTab('example.com', pass(function(tab) {
-        chrome.tabs.executeScript(
-            tab.id, {code: 'document.title = "success"'},
-            callbackFail(
-                'This page cannot be scripted due to ' +
-                'an ExtensionsSettings policy.'));
-        }));
-   },
-  ]);
-});