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 516 matching lines @@
 
 // static
 void NetAddressPrivateImpl::CreateNetAddressPrivateFromIPv6Address(
     const PP_NetAddress_IPv6& ipv6_addr,
     PP_NetAddress_Private* addr) {
   CreateFromIPv6Address(ipv6_addr.addr, 0,
                         ConvertFromNetEndian16(ipv6_addr.port), addr);
 }
 
 // static
+void NetAddressPrivateImpl::CreateNetAddressPrivateFromAnyAddress(
+    PP_Bool is_ipv6,
+    PP_NetAddress_Private* addr) {
+  GetAnyAddress(is_ipv6, addr);
+}
+
+// static
 PP_NetAddress_Family NetAddressPrivateImpl::GetFamilyFromNetAddressPrivate(
     const PP_NetAddress_Private& addr) {
   const NetAddress* net_addr = ToNetAddress(&addr);
   if (!IsValid(net_addr))
     return PP_NETADDRESS_FAMILY_UNSPECIFIED;
   return net_addr->is_ipv6 ? PP_NETADDRESS_FAMILY_IPV6 :
                              PP_NETADDRESS_FAMILY_IPV4;
 }
 
 // static
@@ skipping 30 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