[CrOS Tether] Add HasConnectedToHost property for Tether networks.

chrome/test/data/extensions/api_test/networking_private/chromeos/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.
 
 // The expectations in this test for the Chrome OS implementation. See
 // networking_private_chromeos_apitest.cc for more info.
 
 var callbackPass = chrome.test.callbackPass;
 var callbackFail = chrome.test.callbackFail;
 var assertTrue = chrome.test.assertTrue;
@@ skipping 74 matching lines @@
   verifyTetherNetwork: function(
       properties, expectedGuid, expectedName, expectedBatteryPercentage,
       expectedCarrier, expectedSignalStrength) {
     //assertEq(NetworkType.Tether, properties.Type);
     assertEq(expectedGuid, properties.GUID);
     assertEq(expectedName,
              properties.Name.hasOwnProperty('Active') ? properties.Name.Active
                                                       : properties.Name);
     assertEq(expectedBatteryPercentage, properties.Tether.BatteryPercentage);
     assertEq(expectedCarrier, properties.Tether.Carrier);
+    // TODO(khorimoto): Add the expected value as a parameter once it can be set
+    // via the Tether component.
+    assertFalse(properties.Tether.HasConnectedToHost);
     assertEq(expectedSignalStrength, properties.Tether.SignalStrength);
   }
 };
 
 var kFailure = 'Failure';
 
 function networkCallbackPass() {
   var callbackCompleted = chrome.test.callbackAdded();
   return function(result) {
     chrome.test.assertNoLastError();
@@ skipping 872 matching lines @@
   var tests = availableTests.filter(function(op) {
     return args.test == op.name;
   });
   if (tests.length !== 1) {
     chrome.test.notifyFail('Test not found ' + args.test);
     return;
   }
 
   chrome.test.runTests(tests);
 });