Always use ChannelMojo for content child processes.

components/nacl/broker/nacl_broker_listener.cc

 // Copyright 2013 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 "components/nacl/broker/nacl_broker_listener.h"
 
 #include <utility>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "base/process/process.h"
 #include "base/process/process_handle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/win/win_util.h"
 #include "components/nacl/common/nacl_cmd_line.h"
 #include "components/nacl/common/nacl_debug_exception_handler_win.h"
 #include "components/nacl/common/nacl_messages.h"
 #include "components/nacl/common/nacl_switches.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/mojo_channel_switches.h"
 #include "content/public/common/sandbox_init.h"
 #include "ipc/attachment_broker_unprivileged.h"
 #include "ipc/ipc_channel.h"
-#include "ipc/ipc_switches.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 #include "sandbox/win/src/sandbox_policy.h"
 
 namespace {
 
 void SendReply(IPC::Channel* channel, int32_t pid, bool result) {
   channel->Send(new NaClProcessMsg_DebugExceptionHandlerLaunched(pid, result));
 }
@@ skipping 154 matching lines @@
     const std::string& startup_info) {
   NaClStartDebugExceptionHandlerThread(
       base::Process(process_handle), startup_info,
       base::ThreadTaskRunnerHandle::Get(),
       base::Bind(SendReply, channel_.get(), pid));
 }
 
 void NaClBrokerListener::OnStopBroker() {
   run_loop_.QuitWhenIdle();
 }