AllowBroadcast() is exposed to NaCl.

ppapi/native_client/src/shared/ppapi_proxy/trusted/srpcgen/ppb_rpc.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.
 //
 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
 //
 // Automatically generated code.  See srpcgen.py
 //
 // NaCl Simple Remote Procedure Call interface abstractions.
 
@@ skipping 1175 matching lines @@
   static void PPB_UDPSocket_Private_Create(
       NaClSrpcRpc* rpc,
       NaClSrpcClosure* done,
       PP_Instance instance_id,
       PP_Resource* resource);
   static void PPB_UDPSocket_Private_IsUDPSocket(
       NaClSrpcRpc* rpc,
       NaClSrpcClosure* done,
       PP_Resource resource_id,
       int32_t* is_udp_socket_private);
+  static void PPB_UDPSocket_Private_SetSocketFeature(
+      NaClSrpcRpc* rpc,
+      NaClSrpcClosure* done,
+      PP_Resource udp_socket,
+      int32_t name,
+      nacl_abi_size_t value_bytes, char* value,
+      int32_t callback_id,
+      int32_t* pp_error);
   static void PPB_UDPSocket_Private_Bind(
       NaClSrpcRpc* rpc,
       NaClSrpcClosure* done,
       PP_Resource udp_socket,
       nacl_abi_size_t addr_bytes, char* addr,
       int32_t callback_id,
       int32_t* pp_error);
   static void PPB_UDPSocket_Private_GetBoundAddress(
       NaClSrpcRpc* rpc,
       NaClSrpcClosure* done,
@@ skipping 317 matching lines @@
 };  // class PpbZoomRpcServer
 
 class PpbRpcs {
  public:
   static NaClSrpcHandlerDesc srpc_methods[];
 };  // class PpbRpcs
 
 
 #endif  // GEN_PPAPI_PROXY_PPB_RPC_H_