ifdef OS_NAME -> if defined(OS_NAME)

base/message_loop.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 "base/message_loop.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 124 matching lines @@
 }
 
 //------------------------------------------------------------------------------
 
 MessageLoop::MessageLoop(Type type)
     : type_(type),
       nestable_tasks_allowed_(true),
       exception_restoration_(false),
       message_histogram_(NULL),
       run_loop_(NULL),
-#ifdef OS_WIN
+#if defined(OS_WIN)
       os_modal_loop_(false),
 #endif  // OS_WIN
       next_sequence_num_(0) {
   DCHECK(!current()) << "should only have one message loop per thread";
   lazy_tls_ptr.Pointer()->Set(this);
 
   message_loop_proxy_ = new base::MessageLoopProxyImpl();
   thread_task_runner_handle_.reset(
       new base::ThreadTaskRunnerHandle(message_loop_proxy_));
 
@@ skipping 650 matching lines @@
                                            Watcher *delegate) {
   return pump_libevent()->WatchFileDescriptor(
       fd,
       persistent,
       mode,
       controller,
       delegate);
 }
 
 #endif