Remove connect message from Native Messaging API

chrome/browser/extensions/api/messaging/native_message_process_host_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 "chrome/browser/extensions/api/messaging/native_message_process_host.h"
 
 #include <unistd.h>
 
 #include "base/logging.h"
 #include "base/process_util.h"
@@ skipping 18 matching lines @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
 
   // Make sure that the fd given to us is the same one we started with.
   CHECK_EQ(fd, read_file_);
 
   // If this is a sendMessage request, stop trying to read after the first
   // message.
   if (is_send_message_)
     read_watcher_.StopWatchingFileDescriptor();
 
-  MessageType type;
   std::string message;
-  if (!ReadMessage(&type, &message)) {
+  if (!ReadMessage(&message)) {
     // A read failed, is the process dead?
     if (base::GetTerminationStatus(native_process_handle_, NULL) !=
         base::TERMINATION_STATUS_STILL_RUNNING) {
       read_watcher_.StopWatchingFileDescriptor();
       // Notify the message service that the channel should close.
       content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
           base::Bind(&Client::CloseChannel, weak_client_ui_,
                      destination_port_, true));
     }
     return;
@@ skipping 10 matching lines @@
   return file_util::WriteFileDescriptor(file, data, bytes_to_write);
 }
 
 bool NativeMessageProcessHost::ReadData(FileHandle file,
                                         char* data,
                                         size_t bytes_to_read) {
   return file_util::ReadFromFD(file, data, bytes_to_read);
 }
 
 }  // namespace extensions