Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/chromeos/cros_language_options_handler2.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_CROS_LANGUAGE_OPTIONS_HANDLER2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER2_H_
-#pragma once
-
-#include "base/compiler_specific.h"
-#include "chrome/browser/chromeos/input_method/input_method_descriptor.h"
-#include "chrome/browser/ui/webui/options2/language_options_handler2.h"
-
-namespace chromeos {
-namespace options2 {
-
-// Language options page UI handler for Chrome OS.  For non-Chrome OS,
-// see LanguageOptionsHnadler.
-class CrosLanguageOptionsHandler
-    : public ::options2::LanguageOptionsHandlerCommon {
- public:
-  CrosLanguageOptionsHandler();
-  virtual ~CrosLanguageOptionsHandler();
-
-  // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) OVERRIDE;
-
-  // DOMMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE;
-
-  // The following static methods are public for ease of testing.
-
-  // Gets the list of input methods from the given input descriptors.
-  // The return value will look like:
-  // [{'id': 'pinyin', 'displayName': 'Pinyin',
-  //   'languageCodeSet': {'zh-CW': true}},  ...]
-  //
-  // Note that true in languageCodeSet does not mean anything. We just use
-  // the dictionary as a set.
-  static base::ListValue* GetInputMethodList(
-      const input_method::InputMethodDescriptors& descriptors);
-
-  // Gets the list of languages from the given input descriptors.
-  // The return value will look like:
-  // [{'code': 'fi', 'displayName': 'Finnish', 'nativeDisplayName': 'suomi'},
-  //  ...]
-  static base::ListValue* GetLanguageList(
-      const input_method::InputMethodDescriptors& descriptors);
-
- private:
-  // LanguageOptionsHandlerCommon implementation.
-  virtual string16 GetProductName() OVERRIDE;
-  virtual void SetApplicationLocale(const std::string& language_code) OVERRIDE;
-
-  // Called when the sign-out button is clicked.
-  void RestartCallback(const base::ListValue* args);
-
-  // Called when the input method is disabled.
-  // |args| will contain the input method ID as string (ex. "mozc").
-  void InputMethodDisableCallback(const base::ListValue* args);
-
-  // Called when the input method is enabled.
-  // |args| will contain the input method ID as string (ex. "mozc").
-  void InputMethodEnableCallback(const base::ListValue* args);
-
-  // Called when the input method options page is opened.
-  // |args| will contain the input method ID as string (ex. "mozc").
-  void InputMethodOptionsOpenCallback(const base::ListValue* args);
-
-  DISALLOW_COPY_AND_ASSIGN(CrosLanguageOptionsHandler);
-};
-
-}  // namespace options2
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER2_H_