Remove "2" suffixes from options2 code.

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

Index: chrome/browser/ui/webui/options2/chromeos/pointer_handler.h
diff --git a/chrome/browser/ui/webui/options2/chromeos/pointer_handler2.h b/chrome/browser/ui/webui/options2/chromeos/pointer_handler.h
similarity index 94%
rename from chrome/browser/ui/webui/options2/chromeos/pointer_handler2.h
rename to chrome/browser/ui/webui/options2/chromeos/pointer_handler.h
index a65e0c92367ba7f0eeacbe992553a88af827e431..39cac9a6a506a36908818230aa7357f1be6ff0d4 100644
--- a/chrome/browser/ui/webui/options2/chromeos/pointer_handler2.h
+++ b/chrome/browser/ui/webui/options2/chromeos/pointer_handler.h
@@ -2,14 +2,14 @@
 // 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 {
@@ -44,4 +44,4 @@ class 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_