Switch from using internal constraints to use explicit PeerConnectionFactoryInterface::SetOptions t…

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 333 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::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_)
     peer_connection_tracker_->RegisterPeerConnection(
         this, servers, constraints, frame_);
@@ skipping 410 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