Start ICE connectivity checks as soon as the first pair is pingable.

webrtc/p2p/base/dtlstransportchannel.cc

 /*
  *  Copyright 2011 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 120 matching lines @@
       this, &DtlsTransportChannelWrapper::OnSelectedCandidatePairChanged);
   channel_->SignalStateChanged.connect(
       this, &DtlsTransportChannelWrapper::OnChannelStateChanged);
   channel_->SignalReceivingState.connect(this,
       &DtlsTransportChannelWrapper::OnReceivingState);
 }
 
 DtlsTransportChannelWrapper::~DtlsTransportChannelWrapper() {
 }
 
-void DtlsTransportChannelWrapper::Connect() {
-  // We should only get a single call to Connect.
-  ASSERT(dtls_state() == DTLS_TRANSPORT_NEW);
-  channel_->Connect();
-}
-
 bool DtlsTransportChannelWrapper::SetLocalCertificate(
     const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) {
   if (dtls_active_) {
     if (certificate == local_certificate_) {
       // This may happen during renegotiation.
       LOG_J(LS_INFO, this) << "Ignoring identical DTLS identity";
       return true;
     } else {
       LOG_J(LS_ERROR, this) << "Can't change DTLS local identity in this state";
       return false;
@@ skipping 523 matching lines @@
 
 void DtlsTransportChannelWrapper::Reconnect() {
   set_dtls_state(DTLS_TRANSPORT_NEW);
   set_writable(false);
   if (channel_->writable()) {
     OnWritableState(channel_);
   }
 }
 
 }  // namespace cricket