Multi-networking with Android L.

webrtc/p2p/base/packetsocketfactory.h

Index: webrtc/p2p/base/packetsocketfactory.h
diff --git a/webrtc/p2p/base/packetsocketfactory.h b/webrtc/p2p/base/packetsocketfactory.h
index 54037241b0a71ce26c5f4ac7afb4fdbb95073850..00a6f050f0627ce38dcb07d4e7af56c81910fb43 100644
--- a/webrtc/p2p/base/packetsocketfactory.h
+++ b/webrtc/p2p/base/packetsocketfactory.h
@@ -17,6 +17,7 @@ namespace rtc {
 
 class AsyncPacketSocket;
 class AsyncResolverInterface;
+class Network;
 
 class PacketSocketFactory {
  public:
@@ -32,6 +33,12 @@ class PacketSocketFactory {
   virtual AsyncPacketSocket* CreateUdpSocket(const SocketAddress& address,
                                              uint16_t min_port,
                                              uint16_t max_port) = 0;
+  virtual AsyncPacketSocket* CreateUdpSocket(
+      const SocketAddress& address,
+      uint16_t min_port,
+      uint16_t max_port,
+      const Network* network) { return nullptr; }
+
   virtual AsyncPacketSocket* CreateServerTcpSocket(
       const SocketAddress& local_address,
       uint16_t min_port,