[net] Make IPEndPoint::GetFamily() return AddressFamily and add GetSockAddrFamily() to be used when…

net/socket/tcp_server_socket_libevent.cc

Index: net/socket/tcp_server_socket_libevent.cc
diff --git a/net/socket/tcp_server_socket_libevent.cc b/net/socket/tcp_server_socket_libevent.cc
index 64f0096e868cdfc4fe6425916fa8c0a5e3385375..589fd119ed8878fc130932ac440846c7bc9da07f 100644
--- a/net/socket/tcp_server_socket_libevent.cc
+++ b/net/socket/tcp_server_socket_libevent.cc
@@ -59,7 +59,7 @@ int TCPServerSocketLibevent::Listen(const IPEndPoint& address, int backlog) {
   DCHECK_GT(backlog, 0);
   DCHECK_EQ(socket_, kInvalidSocket);
 
-  socket_ = socket(address.GetFamily(), SOCK_STREAM, IPPROTO_TCP);
+  socket_ = socket(address.GetSockAddrFamily(), SOCK_STREAM, IPPROTO_TCP);
   if (socket_ < 0) {
     PLOG(ERROR) << "socket() returned an error";
     return MapSystemError(errno);