Remove unused language options code, which has been superseded by DOMUI.

chrome/browser/chromeos/options/language_config_model.h

Index: chrome/browser/chromeos/options/language_config_model.h
diff --git a/chrome/browser/chromeos/options/language_config_model.h b/chrome/browser/chromeos/options/language_config_model.h
deleted file mode 100644
index c401c6f374b40c022259553305a2eb0efe035f83..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/options/language_config_model.h
+++ /dev/null
@@ -1,148 +0,0 @@
-// Copyright (c) 2010 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_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_MODEL_H_
-#define CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_MODEL_H_
-#pragma once
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/string16.h"
-#include "chrome/browser/language_combobox_model.h"
-#include "chrome/browser/prefs/pref_member.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "third_party/cros/chromeos_input_method.h"
-
-class Profile;
-
-namespace chromeos {
-
-// The combobox model is used for adding languages in the language config
-// view.
-class AddLanguageComboboxModel : public ::LanguageComboboxModel {
- public:
-  AddLanguageComboboxModel(Profile* profile,
-                           const std::vector<std::string>& locale_codes);
-  // LanguageComboboxModel overrides.
-  virtual int GetItemCount();
-  virtual string16 GetItemAt(int index);
-
-  // Converts the given index (index of the items in the combobox) to the
-  // index of the internal language list. The returned index can be used
-  // for GetLocaleFromIndex() and GetLanguageNameAt().
-  int GetLanguageIndex(int index) const;
-
-  // Marks the given language code to be ignored. Ignored languages won't
-  // be shown in the combobox. It would be simpler if we could remove and
-  // add language codes from the model, but ComboboxModel does not allow
-  // items to be added/removed. Thus we use |ignore_set_| instead.
-  void SetIgnored(const std::string& language_code, bool ignored);
-
- private:
-  std::set<std::string> ignore_set_;
-  DISALLOW_COPY_AND_ASSIGN(AddLanguageComboboxModel);
-};
-
-// The model of LanguageConfigView.
-class LanguageConfigModel : public NotificationObserver {
- public:
-  explicit LanguageConfigModel(PrefService* pref_service);
-
-  // Counts the number of active input methods for the given language code.
-  size_t CountNumActiveInputMethods(const std::string& language_code);
-
-  // Returns true if the language code is in the preferred language list.
-  bool HasLanguageCode(const std::string& language_code) const;
-
-  // Adds the given language to the preferred language list, and returns
-  // the index of the row where the language is added.
-  size_t AddLanguageCode(const std::string& language_code);
-
-  // Removes the language at the given row.
-  void RemoveLanguageAt(size_t row);
-
-  // Updates Chrome's input method preferences.
-  void UpdateInputMethodPreferences(
-      const std::vector<std::string>& new_input_method_ids);
-
-  // Deactivates the input methods for the given language code.
-  void DeactivateInputMethodsFor(const std::string& language_code);
-
-  // Activates or deactivates an IME whose ID is |input_method_id|.
-  void SetInputMethodActivated(const std::string& input_method_id,
-                               bool activated);
-
-  // Returns true if an IME of |input_method_id| is activated.
-  bool InputMethodIsActivated(const std::string& input_method_id);
-
-  // Gets the list of active IME IDs like "pinyin" and "m17n:ar:kbd" from
-  // the underlying preference object. The original contents of
-  // |out_input_method_ids| are lost.
-  void GetActiveInputMethodIds(
-      std::vector<std::string>* out_input_method_ids);
-
-  // Gets the list of preferred language codes like "en-US" and "fr" from
-  // the underlying preference object. The original contents of
-  // |out_language_codes| are lost.
-  void GetPreferredLanguageCodes(
-      std::vector<std::string>* out_language_codes);
-
-  // Gets the list of input method ids associated with the given language
-  // code.  The original contents of |input_method_ids| will be lost.
-  void GetInputMethodIdsFromLanguageCode(
-      const std::string& language_code,
-      std::vector<std::string>* input_method_ids) const;
-
-  // Callback for |preferred_language_codes_| pref updates. Initializes
-  // the preferred language codes based on the updated pref value.
-  void NotifyPrefChanged();
-
-  // NotificationObserver overrides.
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
-
-  const std::string& preferred_language_code_at(size_t at) const {
-    return preferred_language_codes_[at];
-  }
-
-  size_t num_preferred_language_codes() const {
-    return preferred_language_codes_.size();
-  }
-
-  const std::string& supported_input_method_id_at(size_t at) const {
-    return supported_input_method_ids_[at];
-  }
-
-  size_t num_supported_input_method_ids() const {
-    return supported_input_method_ids_.size();
-  }
-
-  const std::vector<std::string>& supported_language_codes() const {
-    return supported_language_codes_;
-  }
-
- private:
-  // Initializes id_to_{code,display_name}_map_ maps,
-  // as well as supported_{language_codes,input_method_ids}_ vectors.
-  void InitInputMethodIdVectors();
-
-  PrefService* pref_service_;
-  // The codes of the preferred languages.
-  std::vector<std::string> preferred_language_codes_;
-  StringPrefMember preferred_languages_pref_;
-  StringPrefMember preload_engines_pref_;
-  // List of supported language codes like "en" and "ja".
-  std::vector<std::string> supported_language_codes_;
-  // List of supported IME IDs like "pinyin" and "m17n:ar:kbd".
-  std::vector<std::string> supported_input_method_ids_;
-
-  DISALLOW_COPY_AND_ASSIGN(LanguageConfigModel);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_MODEL_H_