Convert TrayVPN to use new NetworkState code

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

 // Copyright (c) 2013 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 callbackPass = chrome.test.callbackPass;
 var callbackFail = chrome.test.callbackFail;
 var assertTrue = chrome.test.assertTrue;
 var assertEq = chrome.test.assertEq;
 
 // Test properties for the verification API.
@@ skipping 200 matching lines @@
       "data",
       callbackPass(function(result) {
         assertEq("encrypted_data", result);
       }));
   }
 ];
 
 var testToRun = window.location.search.substring(1);
 chrome.test.runTests(availableTests.filter(function(op) {
   return op.name == testToRun;
-}));
+}));