ipc: Remove unnecessary attachment broker plumbing.

ipc/ipc_perftest_support.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_perftest_support.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/logging.h"
@@ skipping 310 matching lines @@
 PingPongTestClient::PingPongTestClient()
     : listener_(new ChannelReflectorListener()) {
 }
 
 PingPongTestClient::~PingPongTestClient() {
 }
 
 scoped_ptr<Channel> PingPongTestClient::CreateChannel(
     Listener* listener) {
   return Channel::CreateClient(IPCTestBase::GetChannelName("PerformanceClient"),
-                               listener, nullptr);
+                               listener);
 }
 
 int PingPongTestClient::RunMain() {
   LockThreadAffinity thread_locker(kSharedCore);
   scoped_ptr<Channel> channel = CreateChannel(listener_.get());
   listener_->Init(channel.get());
   CHECK(channel->Connect());
 
   base::MessageLoop::current()->Run();
   return 0;
@@ skipping 30 matching lines @@
   auto set_result = SetThreadAffinityMask(GetCurrentThread(), old_affinity_);
   DCHECK_NE(0u, set_result);
 #elif defined(OS_LINUX)
   auto set_result = sched_setaffinity(0, sizeof(old_cpuset_), &old_cpuset_);
   DCHECK_EQ(0, set_result);
 #endif
 }
 
 }  // namespace test
 }  // namespace IPC