Only try to pair protocol matching candidates for creating connections.

webrtc/p2p/base/tcpport.cc

Index: webrtc/p2p/base/tcpport.cc
diff --git a/webrtc/p2p/base/tcpport.cc b/webrtc/p2p/base/tcpport.cc
index 721acc2007035eb688d9a7aa072fb43475ea8477..bf95b3ad5647e07418ff6f90b70ad30f1349c378 100644
--- a/webrtc/p2p/base/tcpport.cc
+++ b/webrtc/p2p/base/tcpport.cc
@@ -125,9 +125,7 @@ TCPPort::~TCPPort() {
 
 Connection* TCPPort::CreateConnection(const Candidate& address,
                                       CandidateOrigin origin) {
-  // We only support TCP protocols
-  if ((address.protocol() != TCP_PROTOCOL_NAME) &&
-      (address.protocol() != SSLTCP_PROTOCOL_NAME)) {
+  if (!ProtocolMatch(address.protocol())) {
     return NULL;
   }