Bind a socket to a network if the network handle is set.

webrtc/p2p/base/turnport.cc

Index: webrtc/p2p/base/turnport.cc
diff --git a/webrtc/p2p/base/turnport.cc b/webrtc/p2p/base/turnport.cc
index 022207aa5b82f157ea15ca919e7d8c75b9f8c7b9..882ce84cace7cc60da2ef24e03fe0e983065b43a 100644
--- a/webrtc/p2p/base/turnport.cc
+++ b/webrtc/p2p/base/turnport.cc
@@ -319,8 +319,8 @@ bool TurnPort::CreateTurnClientSocket() {
   ASSERT(!socket_ || SharedSocket());
 
   if (server_address_.proto == PROTO_UDP && !SharedSocket()) {
-    socket_ = socket_factory()->CreateUdpSocket(
-        rtc::SocketAddress(ip(), 0), min_port(), max_port());
+    socket_ = socket_factory()->CreateUdpSocketOnNetwork(
+        rtc::SocketAddress(ip(), 0), min_port(), max_port(), Network());
   } else if (server_address_.proto == PROTO_TCP) {
     ASSERT(!SharedSocket());
     int opts = rtc::PacketSocketFactory::OPT_STUN;