First step in providing a UdpTransportChannel.

webrtc/base/virtualsocketserver.cc

Index: webrtc/base/virtualsocketserver.cc
diff --git a/webrtc/base/virtualsocketserver.cc b/webrtc/base/virtualsocketserver.cc
index da2cb1d741a04f28b1ae1480b44cfbb43757a376..1eb6e2f2be566fc5c897a92d84a696ed9822b9ea 100644
--- a/webrtc/base/virtualsocketserver.cc
+++ b/webrtc/base/virtualsocketserver.cc
@@ -1167,6 +1167,12 @@ bool VirtualSocketServer::CanInteractWith(VirtualSocket* local,
     return true;
   }
 
+  if (local->was_any()) {
+    return true;
+  }
+  if (remote->was_any()) {
+    return true;
+  }

[Taylor Brandstetter, 2016/11/04 17:51:07]

I don't think this is necessary, is it?

   // Check to see if either socket was explicitly bound to IPv6-any.
   // These sockets can talk with anyone.
   if (local_ip.family() == AF_INET6 && local->was_any()) {