ipc: Remove unnecessary attachment broker plumbing.

ipc/ipc_channel_nacl.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_nacl.h"
 
 #include <errno.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <sys/types.h>
@@ skipping 105 matching lines @@
       main_task_runner_->PostTask(FROM_HERE, failure_callback_);
       // Because the read failed, we know we're going to quit. Don't bother
       // trying to read again.
       return;
     }
   }
 }
 
 ChannelNacl::ChannelNacl(const IPC::ChannelHandle& channel_handle,
                          Mode mode,
-                         Listener* listener,
-                         AttachmentBroker* broker)
+                         Listener* listener)
     : ChannelReader(listener),
       mode_(mode),
       waiting_connect_(true),
       pipe_(-1),
       pipe_name_(channel_handle.name),
       weak_ptr_factory_(this) {
   if (!CreatePipe(channel_handle)) {
     // The pipe may have been closed already.
     const char *modestr = (mode_ & MODE_SERVER_FLAG) ? "server" : "client";
     LOG(WARNING) << "Unable to create pipe named \"" << channel_handle.name
@@ skipping 253 matching lines @@
 
 bool ChannelNacl::IsAttachmentBrokerEndpoint() {
   return is_attachment_broker_endpoint();
 }
 
 // Channel's methods
 
 // static
 scoped_ptr<Channel> Channel::Create(const IPC::ChannelHandle& channel_handle,
                                     Mode mode,
-                                    Listener* listener,
-                                    AttachmentBroker* broker) {
-  return scoped_ptr<Channel>(
-      new ChannelNacl(channel_handle, mode, listener, broker));
+                                    Listener* listener) {
+  return scoped_ptr<Channel>(new ChannelNacl(channel_handle, mode, listener));
 }
 
 }  // namespace IPC