Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/chromeos/language_options_util.h

Index: chrome/browser/ui/webui/options2/chromeos/language_options_util.h
diff --git a/chrome/browser/ui/webui/options2/chromeos/language_options_util2.h b/chrome/browser/ui/webui/options2/chromeos/language_options_util.h
similarity index 98%
rename from chrome/browser/ui/webui/options2/chromeos/language_options_util2.h
rename to chrome/browser/ui/webui/options2/chromeos/language_options_util.h
index 235d092c4a10c4a25d577554fee8d2146eb8388a..7a075696087d5054bc849222d7beed01d7022a9d 100644
--- a/chrome/browser/ui/webui/options2/chromeos/language_options_util2.h
+++ b/chrome/browser/ui/webui/options2/chromeos/language_options_util.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_LANGUAGE_OPTIONS_UTIL2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_LANGUAGE_OPTIONS_UTIL2_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_LANGUAGE_OPTIONS_UTIL_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_LANGUAGE_OPTIONS_UTIL_H_
 #pragma once
 
 #include <string>
@@ -82,4 +82,4 @@ base::ListValue* CreateMultipleChoiceList(
 }  // namespace options2
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_LANGUAGE_OPTIONS_UTIL2_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_LANGUAGE_OPTIONS_UTIL_H_