ipc: Remove unnecessary attachment broker plumbing.

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 <stdint.h>
@@ skipping 1001 matching lines @@
     DPCHECK(0 == rv);
   }
 }
 
 //------------------------------------------------------------------------------
 // Channel's methods
 
 // static
 scoped_ptr<Channel> Channel::Create(const IPC::ChannelHandle& channel_handle,
                                     Mode mode,
-                                    Listener* listener,
-                                    AttachmentBroker* broker) {
+                                    Listener* listener) {
   return make_scoped_ptr(
       new ChannelPosix(channel_handle, mode, listener));
 }
 
 // static
 std::string Channel::GenerateVerifiedChannelID(const std::string& prefix) {
   // A random name is sufficient validation on posix systems, so we don't need
   // an additional shared secret.
 
   std::string id = prefix;
   if (!id.empty())
     id.append(".");
 
   return id.append(GenerateUniqueRandomChannelID());
 }
 
 bool Channel::IsNamedServerInitialized(
     const std::string& channel_id) {
   return ChannelPosix::IsNamedServerInitialized(channel_id);
 }
 
 #if defined(OS_LINUX)
 // static
 void Channel::SetGlobalPid(int pid) {
   ChannelPosix::SetGlobalPid(pid);
 }
 #endif  // OS_LINUX
 
 }  // namespace IPC