ifdef OS_NAME -> if defined(OS_NAME)

chrome/browser/extensions/api/messaging/native_messaging_test_util.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 "chrome/browser/extensions/api/messaging/native_messaging_test_util.h"
 
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
@@ skipping 11 matching lines @@
 void CreateTestNativeHostManifest(base::FilePath manifest_path) {
   scoped_ptr<base::DictionaryValue> manifest(new base::DictionaryValue());
   manifest->SetString("name", kTestNativeMessagingHostName);
   manifest->SetString("description", "Native Messaging Echo Test");
   manifest->SetString("type", "stdio");
 
   base::FilePath test_user_data_dir;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_user_data_dir));
   test_user_data_dir = test_user_data_dir.AppendASCII("native_messaging");
   test_user_data_dir = test_user_data_dir.AppendASCII("native_hosts");
-#ifdef OS_POSIX
+#if defined(OS_POSIX)
   base::FilePath host_path = test_user_data_dir.AppendASCII("echo.py");
 #else
   base::FilePath host_path = test_user_data_dir.AppendASCII("echo.bat");
 #endif
   manifest->SetString("path", host_path.AsUTF8Unsafe());
 
   scoped_ptr<base::ListValue> origins(new base::ListValue());
   origins->AppendString(base::StringPrintf("chrome-extension://%s/",
                                            kTestNativeMessagingExtensionId));
   manifest->Set("allowed_origins", origins.release());
 
   JSONFileValueSerializer serializer(manifest_path);
   ASSERT_TRUE(serializer.Serialize(*manifest));
 }
 
 }  // namespace extensions