Make managedMode extension API component-only.

chrome/test/data/extensions/api_test/managedMode/test.js

 // Copyright (c) 2012 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.
 
 // Managed Mode API test
 // Run with browser_tests --gtest_filter=ExtensionApiTest.ManagedModeApi
 
-var managedMode = chrome.experimental.managedMode;
+var managedMode = chrome.managedModePrivate;
 
 function expect(expected, message) {
   return chrome.test.callbackPass(function(value) {
     chrome.test.assertEq(expected, value, message);
   });
 }
 
 chrome.test.runTests([
   function disabledByDefault() {
     managedMode.get(expect({value: false},
@@ skipping 10 matching lines @@
                     'Managed mode should be on once it has been entered.'));
   },
 
   function enterTwice() {
     managedMode.enter(expect({success: true},
                       'Should be able to enter managed mode.'));
     managedMode.enter(expect({success: true},
                       'Should be able to enter managed mode twice.'));
   }
 ]);