Use RTCPeerConnection instead of webkitRTCPeerConnection

chrome/common/extensions/docs/examples/api/desktopCapture/app.js

 // Copyright 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.
 
 'use strict';
 
 const DESKTOP_MEDIA = ['screen', 'window', 'tab', 'audio'];
 
 var pending_request_id = null;
 var pc1 = null;
@@ skipping 42 matching lines @@
   console.log('navigator.webkitGetUserMedia() errot: ', error);
 }
 
 // Capture video/audio of media and initialize RTC communication.
 function gotStream(stream) {
   console.log('Received local stream', stream);
   var video = document.querySelector('video');
   video.src = URL.createObjectURL(stream);
   stream.onended = function() { console.log('Ended'); };
 
-  var servers = null;
-  pc1 = new webkitRTCPeerConnection(servers);
+  pc1 = new RTCPeerConnection();
   pc1.onicecandidate = function(event) {
     onIceCandidate(pc1, event);
   };
-  pc2 = new webkitRTCPeerConnection(servers);
+  pc2 = new RTCPeerConnection();
   pc2.onicecandidate = function(event) {
     onIceCandidate(pc2, event);
   };
   pc1.oniceconnectionstatechange = function(event) {
     onIceStateChange(pc1, event);
   };
   pc2.oniceconnectionstatechange = function(event) {
     onIceStateChange(pc2, event);
   };
   pc2.onaddstream = gotRemoteStream;
@@ skipping 34 matching lines @@
     var remotePC = (pc === pc1) ? pc2 : pc1;
     remotePC.addIceCandidate(new RTCIceCandidate(event.candidate));
   }
 }
 
 function onIceStateChange(pc, event) {
   if (pc) {
     console.log('ICE state change event: ', event);
   }
 }