Removes MessageLoop::TYPE_XXX where possible

tools/ipc_fuzzer/replay/replay_process.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 "tools/ipc_fuzzer/replay/replay_process.h"
 
 #include <limits.h>
 #include <string>
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/posix/global_descriptors.h"
 #include "chrome/common/chrome_switches.h"
 #include "ipc/ipc_descriptors.h"
 #include "ipc/ipc_switches.h"
 
 namespace ipc_fuzzer {
 
 ReplayProcess::ReplayProcess()
-    : main_loop_(base::MessageLoop::TYPE_DEFAULT),
-      io_thread_("Chrome_ChildIOThread"),
+    : io_thread_("Chrome_ChildIOThread"),
       shutdown_event_(true, false),
       message_index_(0) {
 }
 
 ReplayProcess::~ReplayProcess() {
   channel_.reset();
 }
 
 bool ReplayProcess::Initialize(int argc, const char** argv) {
   CommandLine::Init(argc, argv);
@@ skipping 66 matching lines @@
   return true;
 }
 
 void ReplayProcess::OnChannelError() {
   LOG(ERROR) << "Channel error, quitting after "
              << message_index_ << " messages";
   base::MessageLoop::current()->Quit();
 }
 
 }  // namespace ipc_fuzzer