Add signaling to support ICE renomination.

webrtc/api/mediaconstraintsinterface.cc

 /*
  *  Copyright 2013 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.
  */
 
@@ skipping 47 matching lines @@
 // Google-specific constraint keys for a local video source (getUserMedia).
 const char MediaConstraintsInterface::kNoiseReduction[] = "googNoiseReduction";
 
 // Constraint keys for CreateOffer / CreateAnswer defined in W3C specification.
 const char MediaConstraintsInterface::kOfferToReceiveAudio[] =
     "OfferToReceiveAudio";
 const char MediaConstraintsInterface::kOfferToReceiveVideo[] =
     "OfferToReceiveVideo";
 const char MediaConstraintsInterface::kVoiceActivityDetection[] =
     "VoiceActivityDetection";
-const char MediaConstraintsInterface::kIceRestart[] =
-    "IceRestart";
+const char MediaConstraintsInterface::kIceRestart[] = "IceRestart";
+const char MediaConstraintsInterface::kIceRenomination[] = "IceRenomination";
 // Google specific constraint for BUNDLE enable/disable.
 const char MediaConstraintsInterface::kUseRtpMux[] =
     "googUseRtpMUX";
 
 // Below constraints should be used during PeerConnection construction.
 const char MediaConstraintsInterface::kEnableDtlsSrtp[] =
     "DtlsSrtpKeyAgreement";
 const char MediaConstraintsInterface::kEnableRtpDataChannels[] =
     "RtpDataChannels";
 // Google-specific constraint keys.
@@ skipping 124 matching lines @@
                           &configuration->screencast_min_bitrate);
   ConstraintToOptionalBool(constraints,
                            MediaConstraintsInterface::kCombinedAudioVideoBwe,
                            &configuration->combined_audio_video_bwe);
   ConstraintToOptionalBool(constraints,
                            MediaConstraintsInterface::kEnableDtlsSrtp,
                            &configuration->enable_dtls_srtp);
 }
 
 }  // namespace webrtc