Remove "2" suffixes from options2 code.

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

 // 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.
 
-#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER2_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.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"
 #include "chrome/browser/chromeos/system/pointer_device_observer.h"
 
 namespace chromeos {
 namespace options2 {
 
 // Pointer settings overlay page UI handler.
 class PointerHandler
     : public ::options2::OptionsPageUIHandler,
       public chromeos::system::PointerDeviceObserver::Observer {
  public:
@@ skipping 14 matching lines @@
 
   bool has_touchpad_;
   bool has_mouse_;
 
   DISALLOW_COPY_AND_ASSIGN(PointerHandler);
 };
 
 }  // namespace options2
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER2_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER_H_