Remove "2" suffixes from options2 code.

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

Index: chrome/browser/ui/webui/options2/chromeos/keyboard_handler.h
diff --git a/chrome/browser/ui/webui/options2/chromeos/keyboard_handler2.h b/chrome/browser/ui/webui/options2/chromeos/keyboard_handler.h
similarity index 91%
rename from chrome/browser/ui/webui/options2/chromeos/keyboard_handler2.h
rename to chrome/browser/ui/webui/options2/chromeos/keyboard_handler.h
index 5112de4e7e6ad5e397467e6067b85ab57dde4415..61e369880be3a3924a80486bd72bdad19cecff80 100644
--- a/chrome/browser/ui/webui/options2/chromeos/keyboard_handler2.h
+++ b/chrome/browser/ui/webui/options2/chromeos/keyboard_handler.h
@@ -2,13 +2,13 @@
 // 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_KEYBOARD_HANDLER2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_KEYBOARD_HANDLER2_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_KEYBOARD_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_KEYBOARD_HANDLER_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/prefs/pref_member.h"
-#include "chrome/browser/ui/webui/options2/options_ui2.h"
+#include "chrome/browser/ui/webui/options2/options_ui.h"
 
 namespace chromeos {
 namespace options2 {
@@ -29,4 +29,4 @@ class KeyboardHandler : public ::options2::OptionsPageUIHandler {
 }  // namespace options2
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_KEYBOARD_HANDLER2_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_KEYBOARD_HANDLER_H_