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

cloud_print/service/win/service_listener.cc

 // Copyright 2013 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 "cloud_print/service/win/service_listener.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
@@ skipping 57 matching lines @@
                                         base::Bind(&ServiceListener::Disconnect,
                                                    base::Unretained(this)));
   ipc_thread_->Stop();
 }
 
 bool ServiceListener::OnMessageReceived(const IPC::Message& msg) {
   return true;
 }
 
 void ServiceListener::OnChannelConnected(int32 peer_pid) {
-  IPC::Message* message = new IPC::Message(0, 0);
+  IPC::Message* message = new IPC::Message(0, 0, IPC::Message::PRIORITY_NORMAL);
   message->WriteString(GetEnvironment(user_data_dir_));
   channel_->Send(message);
 }
 
 void ServiceListener::Disconnect() {
   channel_.reset();
 }
 
 void ServiceListener::Connect() {
   base::win::ScopedHandle handle(
       ::CreateFile(SetupListener::kSetupPipeName, GENERIC_READ | GENERIC_WRITE,
                    0, NULL, OPEN_EXISTING,
                    SECURITY_SQOS_PRESENT | SECURITY_IDENTIFICATION |
                    FILE_FLAG_OVERLAPPED, NULL));
   if (handle.IsValid()) {
     channel_.reset(new IPC::Channel(IPC::ChannelHandle(handle),
                                     IPC::Channel::MODE_CLIENT, this));
     channel_->Connect();
   } else {
     ipc_thread_->message_loop()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&ServiceListener::Connect, base::Unretained(this)),
         base::TimeDelta::FromMilliseconds(500));
   }
 }