Add queryForNewLocalDevices to gcdPrivate

chrome/test/data/extensions/api_test/gcd_private/api/remove_device.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.
 
 onload = function() {
   chrome.test.runTests([
     function addRemoveDevice() {
       var should_be_available = true;
-      chrome.gcdPrivate.onCloudDeviceStateChanged.addListener(
+      chrome.gcdPrivate.onLocalDeviceStateChanged.addListener(
         function(available, device) {
           chrome.test.assertEq(available, should_be_available);
           should_be_available = false;
 
           chrome.test.assertEq(device.setupType, "mdns");
           chrome.test.assertEq(device.idString,
                                "mdns:myService._privet._tcp.local");
           chrome.test.assertEq(device.deviceType, "printer");
           chrome.test.assertEq(device.deviceName,
                                "Sample device");
           chrome.test.assertEq(device.deviceDescription,
                                "Sample device description");
 
           if (!available) {
             // Only pass after device is removed
             chrome.test.notifyPass();
           }
     })
   }]);
 };