Use RTCPeerConnection instead of webkitRTCPeerConnection

chrome/test/data/extensions/api_test/tab_capture/end_to_end.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.
 
 // The tests here cover the end-to-end functionality of tab capturing and
 // playback as video.  The page generates video test patterns that rotate
 // cyclicly, and the rendering output of the tab is captured into a
 // local MediaStream.  This stream is then piped into a video element for
 // playback, and a canvas is used to examine the frames of the video for
 // expected content.  The stream may be plumbed one of two ways, depending on
@@ skipping 189 matching lines @@
               maxFrameRate: frameRate,
             }
           }
         },
         function remoteTheStream(captureStream) {
           chrome.test.assertTrue(!!captureStream);
           if (transportMethod == 'local') {
             receiveStream = captureStream;
             waitForExpectedColors(colorDeviation);
           } else if (transportMethod == 'webrtc') {
-            var sender = new webkitRTCPeerConnection(null);
-            var receiver = new webkitRTCPeerConnection(null);
+            var sender = new RTCPeerConnection();
+            var receiver = new RTCPeerConnection();
             sender.onicecandidate = function (event) {
               if (event.candidate) {
                 receiver.addIceCandidate(new RTCIceCandidate(event.candidate));
               }
             };
             receiver.onicecandidate = function (event) {
               if (event.candidate) {
                 sender.addIceCandidate(new RTCIceCandidate(event.candidate));
               }
             };
@@ skipping 15 matching lines @@
           } else {
             chrome.test.fail("Unknown transport method: " + transportMethod);
           }
         });
   }
 ]);
 
 // TODO(miu): Once the WebAudio API is finalized, we should add a test to emit a
 // tone from the sender page, and have the receiver page check for the audio
 // tone.