Remove internal use of webkitMediaStream and webkitRTCPeerConnection

This is a no-op change that makes it easier to later remove them.

The copyright license is required to pass presubmit.

Bug: 690582
Change-Id: I8f4074102dff3ef87b35d239f06ce2c93246d88d
Reviewed-on: https://chromium-review.googlesource.com/693861Reviewed-by: Tommi <tommi@chromium.org>
Commit-Queue: Philip Jägenstedt <foolip@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532348}

chrome/test/data/webrtc/adapter.js

-var RTCPeerConnection = null;
+/**
+ * Copyright 2017 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 getUserMedia = null;
 var attachMediaStream = null;
 var reattachMediaStream = null;
@@ -21,9 +26,6 @@ if (navigator.mozGetUserMedia) {
   webrtcDetectedVersion =
                   parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1]);
 
-  // The RTCPeerConnection object.
-  RTCPeerConnection = mozRTCPeerConnection;
-
   // The RTCSessionDescription object.
   RTCSessionDescription = mozRTCSessionDescription;
 
@@ -97,9 +99,6 @@ if (navigator.mozGetUserMedia) {
     return iceServer;
   };
 
-  // The RTCPeerConnection object.
-  RTCPeerConnection = webkitRTCPeerConnection;
-
   // Get UserMedia (only difference is the prefix).
   // Code from Adam Barth.
   getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
@@ -120,27 +119,6 @@ if (navigator.mozGetUserMedia) {
   reattachMediaStream = function(to, from) {
     to.src = from.src;
   };
-
-  // The representation of tracks in a stream is changed in M26.
-  // Unify them for earlier Chrome versions in the coexisting period.
-  if (!webkitMediaStream.prototype.getVideoTracks) {
-    webkitMediaStream.prototype.getVideoTracks = function() {
-      return this.videoTracks;
-    };
-    webkitMediaStream.prototype.getAudioTracks = function() {
-      return this.audioTracks;
-    };
-  }
-
-  // New syntax of getXXXStreams method in M26.
-  if (!webkitRTCPeerConnection.prototype.getLocalStreams) {
-    webkitRTCPeerConnection.prototype.getLocalStreams = function() {
-      return this.localStreams;
-    };
-    webkitRTCPeerConnection.prototype.getRemoteStreams = function() {
-      return this.remoteStreams;
-    };
-  }
 } else {
   console.log("Browser does not appear to be WebRTC-capable");
 }

chrome/test/data/webrtc/webrtc-simulcast.html

@@ -137,10 +137,10 @@ function initialize() {
   trace('Setting up for a new call.');
   var configs = {iceServers:[], rtcpMuxPolicy:'negotiate'};
   var constraints = {'mandatory': {'DtlsSrtpKeyAgreement': false}};
-  pcClient = new webkitRTCPeerConnection(configs, constraints);
+  pcClient = new RTCPeerConnection(configs, constraints);
   trace('Created local peer connection object pcClient');
   pcClient.onicecandidate = onClientIceCandidate;
-  pcServer = new webkitRTCPeerConnection(configs, constraints);
+  pcServer = new RTCPeerConnection(configs, constraints);
   trace('Created remote peer connection object pcServer');
   pcServer.onicecandidate = onServerIceCandidate;
   pcServer.onaddstream = onServerGotStream;