Move context menu module out of experimental.

chrome/test/data/extensions/api_test/context_menus/basics/test.js

 // Copyright (c) 2010 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.
 
-if (!chrome.contextMenus) {
-  chrome.contextMenus = chrome.experimental.contextMenus;
-}
-
 var assertNoLastError = chrome.test.assertNoLastError;
 
 var tests = [
   function simple() {
     chrome.contextMenus.create({"title":"1"}, chrome.test.callbackPass());
   },
 
   function no_properties() {
     chrome.contextMenus.create({}, function(id) {
       chrome.test.assertTrue(chrome.extension.lastError != null);
@@ skipping 62 matching lines @@
 }
 
 for (var i in types) {
   tests.push(makeCreateTest(types[i]));
 }
 for (var i in contexts) {
   tests.push(makeCreateTest("normal", [ contexts[i] ]));
 }
 
 chrome.test.runTests(tests);
-