Move server socket functionality from TCPServerSocket into TCPSocket.

net/base/net_util.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 NET_BASE_NET_UTIL_H_
 #define NET_BASE_NET_UTIL_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
@@ skipping 420 matching lines @@
 
 // Returns true if it can determine that only loopback addresses are configured.
 // i.e. if only 127.0.0.1 and ::1 are routable.
 // Also returns false if it cannot determine this.
 bool HaveOnlyLoopbackAddresses();
 
 // Returns AddressFamily of the address.
 NET_EXPORT_PRIVATE AddressFamily GetAddressFamily(
     const IPAddressNumber& address);
 
+// Maps the given AddressFamily to either AF_INET, AF_INET6 or AF_UNSPEC.
+int ConvertAddressFamily(AddressFamily address_family);
+
 // Parses an IP address literal (either IPv4 or IPv6) to its numeric value.
 // Returns true on success and fills |ip_number| with the numeric value.
 NET_EXPORT_PRIVATE bool ParseIPLiteralToNumber(const std::string& ip_literal,
                                                IPAddressNumber* ip_number);
 
 // Converts an IPv4 address to an IPv4-mapped IPv6 address.
 // For example 192.168.0.1 would be converted to ::ffff:192.168.0.1.
 NET_EXPORT_PRIVATE IPAddressNumber ConvertIPv4NumberToIPv6Number(
     const IPAddressNumber& ipv4_number);
 
@@ skipping 85 matching lines @@
   WIFI_PHY_LAYER_PROTOCOL_UNKNOWN
 };
 
 // Characterize the PHY mode of the currently associated access point.
 // Currently only available on OS_WIN.
 NET_EXPORT WifiPHYLayerProtocol GetWifiPHYLayerProtocol();
 
 }  // namespace net
 
 #endif  // NET_BASE_NET_UTIL_H_