--- a/ipc/ipdl/ipdl.py
+++ b/ipc/ipdl/ipdl.py
@@ -176,16 +176,17 @@ static_assert(LastMsgIndex <= 65536, "ne
 #endif // ifndef IPCMessageStart_h
 """
 
 ipc_msgtype_name = StringIO()
 print >>ipc_msgtype_name, """
 // CODE GENERATED by ipdl.py. Do not edit.
 #include <cstdint>
 
+#include "mozilla/ipc/ProtocolUtils.h"
 #include "IPCMessageStart.h"
 
 using std::uint32_t;
 
 namespace {
 
 enum IPCMessages {
 """
@@ -214,16 +215,26 @@ for protocol in sorted(allmessages.keys(
     for (msg, num) in allmessages[protocol].idnums:
         if num or msg.endswith('End'):
             continue
         print >>ipc_msgtype_name, """
   case %s__%s:
     return "%s::%s";""" % (protocol, msg, protocol, msg)
 
 print >>ipc_msgtype_name, """
+  case CHANNEL_OPENED_MESSAGE_TYPE:
+    return "CHANNEL_OPENED_MESSAGE";
+  case SHMEM_DESTROYED_MESSAGE_TYPE:
+    return "SHMEM_DESTROYED_MESSAGE";
+  case SHMEM_CREATED_MESSAGE_TYPE:
+    return "SHMEM_CREATED_MESSAGE";
+  case GOODBYE_MESSAGE_TYPE:
+    return "GOODBYE_MESSAGE";
+  case CANCEL_MESSAGE_TYPE:
+    return "CANCEL_MESSAGE";
   default:
     return "<unknown IPC msg name>";
   }
 }
 
 } // namespace ipc
 } // namespace mozilla
 """