AllowBroadcast() is exposed to NaCl.

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb.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.
 //
 // Implements the untrusted side of the PPB_GetInterface method.
 
 #include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
 #include <stdlib.h>
 #include <string.h>
 #include "native_client/src/shared/ppapi_proxy/plugin_ppb_audio.h"
@@ skipping 114 matching lines @@
   { PPB_TCPSOCKET_PRIVATE_INTERFACE_0_4,
     PluginTCPSocketPrivate::GetInterface0_4(), true },
   { PPB_TCPSOCKET_PRIVATE_INTERFACE_0_3,
     PluginTCPSocketPrivate::GetInterface0_3(), true },
   { PPB_TESTING_DEV_INTERFACE_0_9, PluginTesting::GetInterface(), true },
   { PPB_TESTING_DEV_INTERFACE, PluginTesting::GetInterface(), true },
   { PPB_UDPSOCKET_PRIVATE_INTERFACE_0_2,
     PluginUDPSocketPrivate::GetInterface0_2(), true },
   { PPB_UDPSOCKET_PRIVATE_INTERFACE_0_3,
     PluginUDPSocketPrivate::GetInterface0_3(), true },
+  { PPB_UDPSOCKET_PRIVATE_INTERFACE_0_4,
+    PluginUDPSocketPrivate::GetInterface0_4(), true },
   { PPB_URLLOADER_INTERFACE, PluginURLLoader::GetInterface(), true },
   { PPB_URLREQUESTINFO_INTERFACE, PluginURLRequestInfo::GetInterface(), true },
   { PPB_URLRESPONSEINFO_INTERFACE, PluginURLResponseInfo::GetInterface(),
     true },
   { PPB_VAR_ARRAY_BUFFER_INTERFACE, PluginVar::GetArrayBufferInterface(),
     true },
   { PPB_VAR_INTERFACE, PluginVar::GetInterface(), true },
   { PPB_VAR_INTERFACE_1_0, PluginVar::GetInterface1_0(), true },
   { PPB_VIEW_INTERFACE, PluginView::GetInterface(), true },
   { PPB_WEBSOCKET_INTERFACE, PluginWebSocket::GetInterface(),
@@ skipping 38 matching lines @@
               interface_name, NaClSrpcErrorString(srpc_result));
   if (srpc_result != NACL_SRPC_RESULT_OK || !browser_exports_interface) {
     interface_map[index].ppb_interface = NULL;
     ppb_interface = NULL;
   }
   interface_map[index].needs_browser_check = false;
   return ppb_interface;
 }
 
 }  // namespace ppapi_proxy