Enable 3rd party support for Security Keys.

chrome/browser/resources/cryptotoken/cryptotokenbackground.js

 // Copyright 2014 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.
 
 /**
  * @fileoverview CryptoToken background page
  */
 
 'use strict';
 
 /** @const */
 var BROWSER_SUPPORTS_TLS_CHANNEL_ID = true;
 
 /** @const */
 var LOG_SAVER_EXTENSION_ID = 'fjajfjhkeibgmiggdfehjplbhmfkialk';
 
 // Singleton tracking available devices.
 var gnubbies = new Gnubbies();
 HidGnubbyDevice.register(gnubbies);
 UsbGnubbyDevice.register(gnubbies);
 
 var TIMER_FACTORY = new CountdownTimerFactory();
 
 var FACTORY_REGISTRY = new FactoryRegistry(
-    new GoogleApprovedOrigins(),
+    new CryptoTokenApprovedOrigin(),
     TIMER_FACTORY,
-    new GstaticOriginChecker(),
+    new EtldOriginChecker(),
     new UsbHelper(),
     new XhrTextFetcher());
 
 var DEVICE_FACTORY_REGISTRY = new DeviceFactoryRegistry(
     new UsbGnubbyFactory(gnubbies),
     TIMER_FACTORY,
     new GoogleCorpIndividualAttestation());
 
 /**
  * Listen to individual messages sent from (whitelisted) webpages via
@@ skipping 59 matching lines @@
     if (originalUtilFmt_) {
       UTIL_fmt = originalUtilFmt_;
       originalUtilFmt_ = null;
     }
   }
   return false;
 }
 
 /** @private */
 var originalUtilFmt_ = null;