Remove unused Views Translate InfoBar code.

chrome/browser/ui/views/infobars/translate_language_menu_model.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/ui/views/infobars/translate_language_menu_model.h"
-
-#include "chrome/browser/ui/views/infobars/translate_infobar_base.h"
-#include "components/translate/core/browser/translate_infobar_delegate.h"
-
-TranslateLanguageMenuModel::TranslateLanguageMenuModel(
-    LanguageType language_type,
-    TranslateInfoBarDelegate* infobar_delegate,
-    TranslateInfoBarBase* infobar,
-    views::MenuButton* button,
-    bool translate_on_change)
-    : ui::SimpleMenuModel(this),
-      language_type_(language_type),
-      infobar_delegate_(infobar_delegate),
-      infobar_(infobar),
-      button_(button),
-      translate_on_change_(translate_on_change) {
-  for (size_t i = 0; i < infobar_delegate_->num_languages(); ++i)
-    AddCheckItem(static_cast<int>(i), infobar_delegate_->language_name_at(i));
-}
-
-TranslateLanguageMenuModel::~TranslateLanguageMenuModel() {
-}
-
-bool TranslateLanguageMenuModel::IsCommandIdChecked(int command_id) const {
-  return static_cast<size_t>(command_id) == GetLanguageIndex();
-}
-
-bool TranslateLanguageMenuModel::IsCommandIdEnabled(int command_id) const {
-  // Prevent the same language from being selectable in original and target.
-  return static_cast<size_t>(command_id) != ((language_type_ == ORIGINAL) ?
-      infobar_delegate_->target_language_index() :
-      infobar_delegate_->original_language_index());
-}
-
-bool TranslateLanguageMenuModel::GetAcceleratorForCommandId(
-    int command_id,
-    ui::Accelerator* accelerator) {
-  return false;
-}
-
-void TranslateLanguageMenuModel::ExecuteCommand(int command_id,
-                                                int event_flags) {
-  size_t command_id_size_t = static_cast<size_t>(command_id);
-  if (language_type_ == ORIGINAL)
-    infobar_delegate_->UpdateOriginalLanguageIndex(command_id_size_t);
-  else
-    infobar_delegate_->UpdateTargetLanguageIndex(command_id_size_t);
-
-  infobar_->UpdateLanguageButtonText(button_,
-      infobar_delegate_->language_name_at(GetLanguageIndex()));
-  if (translate_on_change_)
-    infobar_delegate_->Translate();
-}
-
-size_t TranslateLanguageMenuModel::GetLanguageIndex() const {
-  return (language_type_ == ORIGINAL) ?
-      infobar_delegate_->original_language_index() :
-      infobar_delegate_->target_language_index();
-}