ifdef OS_NAME -> if defined(OS_NAME)

courgette/memory_allocator.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 "courgette/memory_allocator.h"
 
 #include <map>
 
 #include "base/file_util.h"
 #include "base/stringprintf.h"
 
-#ifdef OS_WIN
+#if defined(OS_WIN)
 
 namespace courgette {
 
 // TempFile
 
 TempFile::TempFile() : file_(base::kInvalidPlatformFileValue) {
 }
 
 TempFile::~TempFile() {
   Close();
@@ skipping 130 matching lines @@
   if (mem) {
     ret = reinterpret_cast<TempMapping**>(mem)[-1];
   }
   DCHECK(ret);
   return ret;
 }
 
 }  // namespace courgette
 
 #endif  // OS_WIN