AllowBroadcast() is exposed to NaCl.

content/browser/renderer_host/pepper/pepper_message_filter.cc

Index: content/browser/renderer_host/pepper/pepper_message_filter.cc
diff --git a/content/browser/renderer_host/pepper/pepper_message_filter.cc b/content/browser/renderer_host/pepper/pepper_message_filter.cc
index d9dbcdf89934d55f99d07f616df786a4af8cf38b..539119334c7cea471bbdcf8bb14b94f65b23b852 100644
--- a/content/browser/renderer_host/pepper/pepper_message_filter.cc
+++ b/content/browser/renderer_host/pepper/pepper_message_filter.cc
@@ -134,6 +134,8 @@ bool PepperMessageFilter::OnMessageReceived(const IPC::Message& msg,
 
     // UDP messages.
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBUDPSocket_Create, OnUDPCreate)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBUDPSocket_SetBoolSocketFeature,
+                        OnUDPSetBoolSocketFeature)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBUDPSocket_Bind, OnUDPBind)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBUDPSocket_RecvFrom, OnUDPRecvFrom)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBUDPSocket_SendTo, OnUDPSendTo)
@@ -381,6 +383,34 @@ void PepperMessageFilter::OnUDPCreate(int32 routing_id,
       new PepperUDPSocket(this, routing_id, plugin_dispatcher_id, *socket_id));
 }
 
+void PepperMessageFilter::OnUDPSetBoolSocketFeature(

[viettrungluu, 2012/08/27 18:33:54]

What thread is this called on? (I think everything you do should be okay
regardless, but it wouldn't hurt to check.)

[ygorshenin1, 2012/08/27 19:12:47]

Done.

+    int32 routing_id,
+    uint32 socket_id,
+    int32_t name,
+    bool value) {
+  UDPSocketMap::iterator iter = udp_sockets_.find(socket_id);
+  if (iter == udp_sockets_.end()) {
+    NOTREACHED();
+    return;
+  }
+
+  if (routing_id != iter->second->routing_id()) {
+    NOTREACHED();
+    return;
+  }
+
+  switch(static_cast<PP_UDPSocketFeature_Private>(name)) {
+    case PP_UDPSOCKETFEATURE_ADDRESS_REUSE:
+      iter->second->AllowAddressReuse(value);
+      break;
+    case PP_UDPSOCKETFEATURE_BROADCAST:
+      iter->second->AllowBroadcast(value);
+      break;
+    default:
+      NOTREACHED();

[viettrungluu, 2012/08/27 18:33:54]

Probably should have a break or return after this, for good form.

[ygorshenin1, 2012/08/27 19:12:47]

Done.

+  }
+}
+
 void PepperMessageFilter::OnUDPBind(int32 routing_id,
                                     uint32 socket_id,
                                     const PP_NetAddress_Private& addr) {