cros: Delete login/language_list.cc|h

Happened to see this code that's not used anywhere.

Bug: None
Change-Id: Iab81d9125bd191d62e8f756ecfa0b4421ce8e312
Reviewed-on: https://chromium-review.googlesource.com/c/1315710Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Wenzhao (Colin) Zang <wzang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#605073}

chrome/browser/chromeos/BUILD.gn

@@ -1069,8 +1069,6 @@ source_set("chromeos") {
     "login/helper.h",
     "login/hwid_checker.cc",
     "login/hwid_checker.h",
-    "login/language_list.cc",
-    "login/language_list.h",
     "login/lock/screen_locker.cc",
     "login/lock/screen_locker.h",
     "login/lock/views_screen_locker.cc",

chrome/browser/chromeos/login/language_list.cc

-// 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.
-
-#include "chrome/browser/chromeos/login/language_list.h"
-
-#include <stddef.h>
-
-#include "base/i18n/rtl.h"
-#include "base/strings/string_split.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/browser_process.h"
-#include "ui/base/l10n/l10n_util.h"
-
-namespace chromeos {
-
-LanguageList::LanguageList() {
-  // Enumerate the languages we know about.
-  const std::vector<std::string>& locale_codes =
-      l10n_util::GetAvailableLocales();
-  InitNativeNames(locale_codes);
-}
-
-LanguageList::~LanguageList() {}
-
-base::string16 LanguageList::GetLanguageNameAt(int index) const {
-  DCHECK_LT(index, languages_count());
-  LocaleDataMap::const_iterator locale_data =
-      native_names_.find(locale_names_[index]);
-  DCHECK(locale_data != native_names_.end());
-
-  // If the name is the same in the native language and local language,
-  // don't show it twice.
-  if (locale_data->second.native_name == locale_names_[index])
-    return locale_data->second.native_name;
-
-  // We must add directionality formatting to both the native name and the
-  // locale name in order to avoid text rendering problems such as misplaced
-  // parentheses or languages appearing in the wrong order.
-  base::string16 locale_name = locale_names_[index];
-  base::i18n::AdjustStringForLocaleDirection(&locale_name);
-
-  base::string16 native_name = locale_data->second.native_name;
-  base::i18n::AdjustStringForLocaleDirection(&native_name);
-
-  // We used to have a localizable template here, but none of translators
-  // changed the format. We also want to switch the order of locale_name
-  // and native_name without going back to translators.
-  std::string formatted_item;
-  base::SStringPrintf(&formatted_item, "%s - %s",
-                      base::UTF16ToUTF8(locale_name).c_str(),
-                      base::UTF16ToUTF8(native_name).c_str());
-  if (base::i18n::IsRTL())
-    // Somehow combo box (even with LAYOUTRTL flag) doesn't get this
-    // right so we add RTL BDO (U+202E) to set the direction
-    // explicitly.
-    formatted_item.insert(0, "\xE2\x80\xAE");  // U+202E = UTF-8 0xE280AE
-  return base::UTF8ToUTF16(formatted_item);
-}
-
-std::string LanguageList::GetLocaleFromIndex(int index) const {
-  DCHECK(static_cast<int>(locale_names_.size()) > index);
-  LocaleDataMap::const_iterator locale_data =
-      native_names_.find(locale_names_[index]);
-  DCHECK(locale_data != native_names_.end());
-  return locale_data->second.locale_code;
-}
-
-int LanguageList::GetIndexFromLocale(const std::string& locale) const {
-  for (size_t i = 0; i < locale_names_.size(); ++i) {
-    LocaleDataMap::const_iterator locale_data =
-        native_names_.find(locale_names_[i]);
-    DCHECK(locale_data != native_names_.end());
-    if (locale_data->second.locale_code == locale)
-      return static_cast<int>(i);
-  }
-  return -1;
-}
-
-void LanguageList::CopySpecifiedLanguagesUp(const std::string& locale_codes) {
-  DCHECK(!locale_names_.empty());
-  for (const std::string& code : base::SplitString(
-           locale_codes, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
-    const int locale_index = GetIndexFromLocale(code);
-    CHECK_NE(locale_index, -1);
-    locale_names_.insert(locale_names_.begin(), locale_names_[locale_index]);
-  }
-}
-
-void LanguageList::InitNativeNames(
-    const std::vector<std::string>& locale_codes) {
-  const std::string app_locale = g_browser_process->GetApplicationLocale();
-  for (size_t i = 0; i < locale_codes.size(); ++i) {
-    const char* locale_code = locale_codes[i].c_str();
-
-    // TODO(jungshik): Even though these strings are used for the UI,
-    // the old code does not add an RTL mark for RTL locales. Make sure
-    // that it's ok without that.
-    base::string16 name_in_current_ui =
-        l10n_util::GetDisplayNameForLocale(locale_code, app_locale, false);
-    base::string16 name_native =
-        l10n_util::GetDisplayNameForLocale(locale_code, locale_code, false);
-
-    locale_names_.push_back(name_in_current_ui);
-    native_names_[name_in_current_ui] =
-        LocaleData(name_native, locale_codes[i]);
-  }
-
-  // Sort using locale specific sorter.
-  l10n_util::SortStrings16(g_browser_process->GetApplicationLocale(),
-                           &locale_names_);
-}
-
-}  // namespace chromeos

chrome/browser/chromeos/login/language_list.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_CHROMEOS_LOGIN_LANGUAGE_LIST_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_LANGUAGE_LIST_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-
-namespace chromeos {
-
-// LanguageList is used to enumerate native names corresponding to the
-// language code (e.g. English (United States) for en-US).
-class LanguageList {
- public:
-  LanguageList();
-  ~LanguageList();
-
-  // Returns the number of locale names.
-  int languages_count() const { return static_cast<int>(locale_names_.size()); }
-
-  // Returns the language for the given |index|.
-  base::string16 GetLanguageNameAt(int index) const;
-
-  // Return the locale for the given |index|. E.g., may return pt-BR.
-  std::string GetLocaleFromIndex(int index) const;
-
-  // Returns the index for the given |locale|. Returns -1 if it's not found.
-  int GetIndexFromLocale(const std::string& locale) const;
-
-  // Duplicates specified languages at the beginning of the list for easier
-  // access.
-  void CopySpecifiedLanguagesUp(const std::string& locale_codes);
-
- private:
-  struct LocaleData {
-    LocaleData() {}
-    LocaleData(const base::string16& name, const std::string& code)
-        : native_name(name), locale_code(code) {}
-
-    base::string16 native_name;
-    std::string locale_code;  // E.g., en-us.
-  };
-
-  typedef std::map<base::string16, LocaleData> LocaleDataMap;
-
-  void InitNativeNames(const std::vector<std::string>& locale_codes);
-
-  // The names of all the locales in the current application locale.
-  std::vector<base::string16> locale_names_;
-
-  // A map of some extra data (LocaleData) keyed off the name of the locale.
-  LocaleDataMap native_names_;
-
-  DISALLOW_COPY_AND_ASSIGN(LanguageList);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LANGUAGE_LIST_H_