Clean up public interface of AttachmentBrokerUnprivileged.

ipc/attachment_broker_mac_unittest.cc

 // Copyright 2015 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 "build/build_config.h"
 
 #include <fcntl.h>
 #include <mach/mach_vm.h>
 #include <stddef.h>
 #include <sys/mman.h>
@@ skipping 409 matching lines @@
   // Setup shared between tests.
   void CommonSetUp(const char* name) {
     Init(name);
     MachPreForkSetUp();
 
     if (!broker_.get())
       SetBroker(new IPC::AttachmentBrokerUnprivilegedMac);
 
     broker_->AddObserver(&observer_, task_runner());
     CreateChannel(&proxy_listener_);
-    broker_->DesignateBrokerCommunicationChannel(channel());
+    broker_->RegisterBrokerCommunicationChannel(channel());
     ASSERT_TRUE(ConnectChannel());
     ASSERT_TRUE(StartClient());
 
     MachPostForkSetUp();
     active_names_at_start_ = IPC::GetActiveNameCount();
     get_proxy_listener()->set_listener(&result_listener_);
   }
 
   void CheckChildResult() {
     ASSERT_EQ(ProxyListener::MESSAGE_RECEIVED,
@@ skipping 524 matching lines @@
   SetBroker(new IPC::AttachmentBrokerUnprivilegedMac);
   get_broker()->AddObserver(get_observer(), task_runner());
 
   scoped_ptr<base::Thread> thread(
       new base::Thread("ChannelProxyTestServerThread"));
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   thread->StartWithOptions(options);
 
   CreateChannelProxy(get_proxy_listener(), thread->task_runner().get());
-  get_broker()->DesignateBrokerCommunicationChannel(channel_proxy());
+  get_broker()->RegisterBrokerCommunicationChannel(channel_proxy());
 
   ASSERT_TRUE(StartClient());
 
   MachPostForkSetUp();
   active_names_at_start_ = IPC::GetActiveNameCount();
   get_proxy_listener()->set_listener(get_result_listener());
 
   SendMessage1(kDataBuffer1);
   base::MessageLoop::current()->Run();
 
@@ skipping 340 matching lines @@
     SendControlMessage(sender, success);
   }
 }
 
 MULTIPROCESS_IPC_TEST_CLIENT_MAIN(MemoryUsageManyMessages) {
   return CommonPrivilegedProcessMain(&MemoryUsageManyMessagesCallback,
                                      "MemoryUsageManyMessages");
 }
 
 }  // namespace