Revert https://src.chromium.org/viewvc/chrome?view=rev&revision=231330

ipc/ipc_channel_posix.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.
 
 #include "ipc/ipc_channel_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stddef.h>
 #include <sys/socket.h>
@@ skipping 727 matching lines @@
   if (global_pid_) {
     pid = global_pid_;
   }
 #endif
   return pid;
 }
 
 void Channel::ChannelImpl::QueueHelloMessage() {
   // Create the Hello message
   scoped_ptr<Message> msg(new Message(MSG_ROUTING_NONE,
-                                      HELLO_MESSAGE_TYPE));
+                                      HELLO_MESSAGE_TYPE,
+                                      IPC::Message::PRIORITY_NORMAL));
   if (!msg->WriteInt(GetHelloMessageProcId())) {
     NOTREACHED() << "Unable to pickle hello message proc id";
   }
 #if defined(IPC_USES_READWRITE)
   scoped_ptr<Message> hello;
   if (remote_fd_pipe_ != -1) {
     if (!msg->WriteFileDescriptor(base::FileDescriptor(remote_fd_pipe_,
                                                        false))) {
       NOTREACHED() << "Unable to pickle hello message file descriptors";
     }
@@ skipping 172 matching lines @@
   }
   input_fds_.clear();
 }
 
 void Channel::ChannelImpl::QueueCloseFDMessage(int fd, int hops) {
   switch (hops) {
     case 1:
     case 2: {
       // Create the message
       scoped_ptr<Message> msg(new Message(MSG_ROUTING_NONE,
-                                          CLOSE_FD_MESSAGE_TYPE));
+                                          CLOSE_FD_MESSAGE_TYPE,
+                                          IPC::Message::PRIORITY_NORMAL));
       if (!msg->WriteInt(hops - 1) || !msg->WriteInt(fd)) {
         NOTREACHED() << "Unable to pickle close fd.";
       }
       // Send(msg.release());
       output_queue_.push(msg.release());
       break;
     }
 
     default:
       NOTREACHED();
@@ skipping 147 matching lines @@
 
 
 #if defined(OS_LINUX)
 // static
 void Channel::SetGlobalPid(int pid) {
   ChannelImpl::SetGlobalPid(pid);
 }
 #endif  // OS_LINUX
 
 }  // namespace IPC