Changing the --enable-sctp-data-channels flag to --disable-sctp-data-channels so that SCTP is turned

content/renderer/media/rtc_peer_connection_handler.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/media/rtc_peer_connection_handler.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 331 matching lines @@
   DCHECK(frame_);
 
   peer_connection_tracker_ =
       RenderThreadImpl::current()->peer_connection_tracker();
 
   webrtc::PeerConnectionInterface::IceServers servers;
   GetNativeIceServers(server_configuration, &servers);
 
   RTCMediaConstraints constraints(options);
 
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableSCTPDataChannels)) {
-    // TODO(jiayl): replace the hard coded string with
-    // webrtc::MediaConstraintsInterface::kEnableSctpDataChannels when
-    // the Libjingle change is rolled.
-    constraints.AddOptional("internalSctpDataChannels", "true");
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableSCTPDataChannels)) {
+    constraints.AddOptional(
+        webrtc::MediaConstraintsInterface::kEnableSctpDataChannels, "true");
   }
 
   native_peer_connection_ =
       dependency_factory_->CreatePeerConnection(
           servers, &constraints, frame_, this);
   if (!native_peer_connection_.get()) {
     LOG(ERROR) << "Failed to initialize native PeerConnection.";
     return false;
   }
   if (peer_connection_tracker_)
@@ skipping 401 matching lines @@
   webrtc::SessionDescriptionInterface* native_desc =
       dependency_factory_->CreateSessionDescription(type, sdp, error);
 
   LOG_IF(ERROR, !native_desc) << "Failed to create native session description."
                               << " Type: " << type << " SDP: " << sdp;
 
   return native_desc;
 }
 
 }  // namespace content