Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/language_options_handler_common2.h

-// Copyright (c) 2011 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_LANGUAGE_OPTIONS_HANDLER_COMMON2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_LANGUAGE_OPTIONS_HANDLER_COMMON2_H_
-#pragma once
-
-#include "chrome/browser/ui/webui/options2/options_ui2.h"
-
-namespace base {
-class DictionaryValue;
-class ListValue;
-}
-
-namespace options2 {
-
-// The base class for language options page UI handlers.  This class has code
-// common to the Chrome OS and non-Chrome OS implementation of the handler.
-class LanguageOptionsHandlerCommon : public OptionsPageUIHandler {
- public:
-  LanguageOptionsHandlerCommon();
-  virtual ~LanguageOptionsHandlerCommon();
-
-  // 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 set of language codes that can be used as UI language.
-  // The return value will look like:
-  // {'en-US': true, 'fi': true, 'fr': true, ...}
-  //
-  // Note that true in values does not mean anything. We just use the
-  // dictionary as a set.
-  static base::DictionaryValue* GetUILanguageCodeSet();
-
-  // Gets the set of language codes that can be used for spellchecking.
-  // The return value will look like:
-  // {'en-US': true, 'fi': true, 'fr': true, ...}
-  //
-  // Note that true in values does not mean anything. We just use the
-  // dictionary as a set.
-  static base::DictionaryValue* GetSpellCheckLanguageCodeSet();
-
- private:
-  // Returns the name of the product (ex. "Chrome" or "Chrome OS").
-  virtual string16 GetProductName() = 0;
-
-  // Sets the application locale.
-  virtual void SetApplicationLocale(const std::string& language_code) = 0;
-
-  // Called when the language options is opened.
-  void LanguageOptionsOpenCallback(const base::ListValue* args);
-
-  // Called when the UI language is changed.
-  // |args| will contain the language code as string (ex. "fr").
-  void UiLanguageChangeCallback(const base::ListValue* args);
-
-  // Called when the spell check language is changed.
-  // |args| will contain the language code as string (ex. "fr").
-  void SpellCheckLanguageChangeCallback(const base::ListValue* args);
-
-  DISALLOW_COPY_AND_ASSIGN(LanguageOptionsHandlerCommon);
-};
-
-}  // namespace options2
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_LANGUAGE_OPTIONS_HANDLER_COMMON2_H_