Pepper: Add support for multicast in PPB_UDPSocket API

ppapi/shared_impl/private/net_address_private_impl.h

 // Copyright (c) 2011 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 PPAPI_SHARED_IMPL_PRIVATE_NET_ADDRESS_PRIVATE_IMPL_H_
 #define PPAPI_SHARED_IMPL_PRIVATE_NET_ADDRESS_PRIVATE_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 19 matching lines @@
                                      uint16 port,
                                      PP_NetAddress_Private* net_addr);
 
   static bool NetAddressToIPEndPoint(const PP_NetAddress_Private& net_addr,
                                      std::vector<unsigned char>* address,
                                      uint16* port);
 
   static std::string DescribeNetAddress(const PP_NetAddress_Private& addr,
                                         bool include_port);
 
+  static void GetAnyAddress(PP_Bool is_ipv6, PP_NetAddress_Private* addr);
+
   // Conversion methods to make PPB_NetAddress resource work with
   // PP_NetAddress_Private.
   // TODO(yzshen): Remove them once PPB_NetAddress resource doesn't use
   // PP_NetAddress_Private as storage type.
   static void CreateNetAddressPrivateFromIPv4Address(
       const PP_NetAddress_IPv4& ipv4_addr,
       PP_NetAddress_Private* addr);
   static void CreateNetAddressPrivateFromIPv6Address(
       const PP_NetAddress_IPv6& ipv6_addr,
       PP_NetAddress_Private* addr);
   static PP_NetAddress_Family GetFamilyFromNetAddressPrivate(
       const PP_NetAddress_Private& addr);
   static bool DescribeNetAddressPrivateAsIPv4Address(
       const PP_NetAddress_Private& addr,
       PP_NetAddress_IPv4* ipv4_addr);
   static bool DescribeNetAddressPrivateAsIPv6Address(
       const PP_NetAddress_Private& addr,
       PP_NetAddress_IPv6* ipv6_addr);
 
   static const PP_NetAddress_Private kInvalidNetAddress;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(NetAddressPrivateImpl);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_PRIVATE_NET_ADDRESS_PRIVATE_IMPL_H_