CLOSE_FD_MESSAGE_TYPE  958 ipc/ipc_channel_posix.cc                                           CLOSE_FD_MESSAGE_TYPE,
CLOSE_FD_MESSAGE_TYPE 1007 ipc/ipc_channel_posix.cc     case Channel::CLOSE_FD_MESSAGE_TYPE:
CLOSE_FD_MESSAGE_TYPE   43 ipc/ipc_channel_reader.cc       m.type() >= Channel::CLOSE_FD_MESSAGE_TYPE &&