Pepper: Add support for multicast in PPB_UDPSocket API

ppapi/shared_impl/private/net_address_private_impl.cc

 // 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.
 
 #include "ppapi/shared_impl/private/net_address_private_impl.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <winsock2.h>
 #include <ws2tcpip.h>
@@ skipping 500 matching lines @@
   // On Windows, |NetAddressToString()| doesn't work in the sandbox. On Mac,
   // the output isn't consistent with RFC 5952, at least on Mac OS 10.6:
   // |getnameinfo()| collapses length-one runs of zeros (and also doesn't
   // display the scope).
   if (net_addr->is_ipv6)
     return ConvertIPv6AddressToString(net_addr, include_port);
   return ConvertIPv4AddressToString(net_addr, include_port);
 }
 
 // static
+void NetAddressPrivateImpl::GetAnyAddress(PP_Bool is_ipv6,
+    PP_NetAddress_Private* addr) {
+  ppapi::GetAnyAddress(is_ipv6, addr);
+}
+
+// static
 void NetAddressPrivateImpl::CreateNetAddressPrivateFromIPv4Address(
     const PP_NetAddress_IPv4& ipv4_addr,
     PP_NetAddress_Private* addr) {
   CreateFromIPv4Address(ipv4_addr.addr, ConvertFromNetEndian16(ipv4_addr.port),
                         addr);
 }
 
 // static
 void NetAddressPrivateImpl::CreateNetAddressPrivateFromIPv6Address(
     const PP_NetAddress_IPv6& ipv6_addr,
@@ skipping 46 matching lines @@
   ipv6_addr->port = ConvertToNetEndian16(net_addr->port);
 
   static_assert(sizeof(ipv6_addr->addr) == kIPv6AddressSize,
                 "mismatched IPv6 address size");
   memcpy(ipv6_addr->addr, net_addr->address, kIPv6AddressSize);
 
   return true;
 }
 
 }  // namespace ppapi