ifdef OS_NAME -> if defined(OS_NAME)

chrome/browser/ui/webui/signin/profile_signin_confirmation_dialog.cc

 // Copyright (c) 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/ui/webui/signin/profile_signin_confirmation_dialog.h"
 
 #include "base/basictypes.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
@@ skipping 251 matching lines @@
   const int kProfileCreationMessageHeight = prompt_for_new_profile_ ? 50 : 0;
   size->SetSize(kMinimumDialogWidth,
                 kMinimumDialogHeight + kProfileCreationMessageHeight);
 }
 
 std::string ProfileSigninConfirmationDialog::GetDialogArgs() const {
   std::string data;
   DictionaryValue dict;
   dict.SetString("username", username_);
   dict.SetBoolean("promptForNewProfile", prompt_for_new_profile_);
-#ifdef OS_WIN
+#if defined(OS_WIN)
   dict.SetBoolean("hideTitle", true);
 #endif
   base::JSONWriter::Write(&dict, &data);
   return data;
 }
 
 void ProfileSigninConfirmationDialog::OnDialogClosed(
     const std::string& json_retval) {
   if (!closed_by_handler_)
     cancel_signin_.Run();
@@ skipping 93 matching lines @@
                  kHistoryEntriesBeforeNewProfilePrompt),
       base::Bind(&ProfileSigninConfirmationDialog::CheckHasTypedURLs,
                  weak_pointer_factory_.GetWeakPtr()),
       return_result);
 }
 
 void ProfileSigninConfirmationDialog::OnPromptCheckComplete(bool prompt) {
   prompt_for_new_profile_ = prompt;
   Show();
 }