Add signaling to support ICE renomination.

webrtc/p2p/base/transportdescriptionfactory.h

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_P2P_BASE_TRANSPORTDESCRIPTIONFACTORY_H_
 #define WEBRTC_P2P_BASE_TRANSPORTDESCRIPTIONFACTORY_H_
 
 #include "webrtc/base/rtccertificate.h"
 #include "webrtc/p2p/base/transportdescription.h"
 
 namespace rtc {
 class SSLIdentity;
 }
 
 namespace cricket {
 
 struct TransportOptions {
-  TransportOptions() : ice_restart(false), prefer_passive_role(false) {}
-  bool ice_restart;
-  bool prefer_passive_role;
+  bool ice_restart = false;
+  bool prefer_passive_role = false;
+  // If true, ICE renomination is supported and will be used if it is also
+  // supported by the remote side.
+  bool enable_ice_renomination = false;
 };
 
 // Creates transport descriptions according to the supplied configuration.
 // When creating answers, performs the appropriate negotiation
 // of the various fields to determine the proper result.
 class TransportDescriptionFactory {
  public:
   // Default ctor; use methods below to set configuration.
   TransportDescriptionFactory();
   SecurePolicy secure() const { return secure_; }
@@ skipping 23 matching lines @@
   bool SetSecurityInfo(TransportDescription* description,
                        ConnectionRole role) const;
 
   SecurePolicy secure_;
   rtc::scoped_refptr<rtc::RTCCertificate> certificate_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TRANSPORTDESCRIPTIONFACTORY_H_