Exposing DTLS transport state from TransportChannel.

webrtc/p2p/base/transportchannel.cc

Index: webrtc/p2p/base/transportchannel.cc
diff --git a/webrtc/p2p/base/transportchannel.cc b/webrtc/p2p/base/transportchannel.cc
index 97a41130c7b2e282e89f26cfbe88e6b538a068d6..c78795a815155e4c656ada2c09140d04e59b618d 100644
--- a/webrtc/p2p/base/transportchannel.cc
+++ b/webrtc/p2p/base/transportchannel.cc
@@ -43,4 +43,14 @@ void TransportChannel::set_writable(bool writable) {
   }
 }
 
+void TransportChannel::set_dtls_transport_state(DtlsTransportState state) {
+  if (dtls_transport_state_ != state) {

[pthatcher1, 2015/10/20 20:28:06]

Nit: I'd prefer an early return

if (dtls_transport_state_ == state) {
  return;
}

...

[Taylor Brandstetter, 2015/10/21 16:28:16]

Done.

+    LOG_J(LS_VERBOSE, this)
+        << "set_dtls_transport_state from:" << dtls_transport_state_ << " to "
+        << state;
+    dtls_transport_state_ = state;
+    SignalDtlsTransportState(this);
+  }
+}
+
 }  // namespace cricket