Allow the localhost IP address even if it does not match the tcp port address

webrtc/base/virtualsocketserver.h

Index: webrtc/base/virtualsocketserver.h
diff --git a/webrtc/base/virtualsocketserver.h b/webrtc/base/virtualsocketserver.h
index daf0145a26c489c9ce8927e2a6d19830ad6418ee..7d7276dc748c86eac95f40f7ae0b53b8b9bb48a5 100644
--- a/webrtc/base/virtualsocketserver.h
+++ b/webrtc/base/virtualsocketserver.h
@@ -121,6 +121,9 @@ class VirtualSocketServer : public SocketServer, public sigslot::has_slots<> {
   bool CloseTcpConnections(const SocketAddress& addr_local,
                            const SocketAddress& addr_remote);
 
+  // For testing purpose only. Fired when a client socket is created.
+  sigslot::signal1<VirtualSocket*> SignalSocketCreated;
+
  protected:
   // Returns a new IP not used before in this network.
   IPAddress GetNextIP(int family);