Add support for default local address in IpcNetworkManager

content/browser/renderer_host/p2p/socket_dispatcher_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_DISPATCHER_HOST_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 72 matching lines @@
                                      int connected_socket_id);
   void OnSend(int socket_id,
               const net::IPEndPoint& socket_address,
               const std::vector<char>& data,
               const rtc::PacketOptions& options,
               uint64 packet_id);
   void OnSetOption(int socket_id, P2PSocketOption option, int value);
   void OnDestroySocket(int socket_id);
 
   void DoGetNetworkList();
-  void SendNetworkList(const net::NetworkInterfaceList& list);
+  void SendNetworkList(const net::NetworkInterfaceList& list,
+                       const net::IPEndPoint& default_ipv4_local_address,
+                       const net::IPEndPoint& default_ipv6_local_address);
+
+  // This connects a UDP socket to a public IP address and gets local
+  // address. Since it binds to the "any" address (0.0.0.0 or ::) internally, it
+  // retrieves the default local address.
+  net::IPEndPoint GetDefaultLocalAddress(int family);
 
   void OnAddressResolved(DnsRequest* request,
                          const net::IPAddressList& addresses);
 
   void StopRtpDumpOnIOThread(bool incoming, bool outgoing);
 
   content::ResourceContext* resource_context_;
   scoped_refptr<net::URLRequestContextGetter> url_context_;
 
   SocketsMap sockets_;
 
   bool monitoring_networks_;
 
   std::set<DnsRequest*> dns_requests_;
   P2PMessageThrottler throttler_;
 
+  net::IPEndPoint default_ipv4_local_address_, default_ipv6_local_address_;

[Sergey Ulanov, 2015/11/10 22:44:17]

nit: Please separate these into two lines for readability:
   net::IPEndPoint default_ipv4_local_address_;
   net::IPEndPoint default_ipv6_local_address_;

[guoweis_webrtc, 2015/11/11 00:11:51]

Done.

+
   bool dump_incoming_rtp_packet_;
   bool dump_outgoing_rtp_packet_;
   RenderProcessHost::WebRtcRtpPacketCallback packet_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(P2PSocketDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_DISPATCHER_HOST_H_