Use ICU plural syntax in more place

chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.cc

 // Copyright 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.
 
 #include "chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 509 matching lines @@
   AddTabFavicon(command_id, item.url);
   local_tab_navigation_items_.push_back(item);
 }
 
 void RecentTabsSubMenuModel::BuildLocalWindowItem(
     const SessionID::id_type& window_id,
     int num_tabs,
     int curr_model_index) {
   int command_id = WindowVectorIndexToCommandId(local_window_items_.size());
   // See comments in BuildLocalEntries() about usage of InsertItem*At().
-  if (num_tabs == 1) {
-    InsertItemWithStringIdAt(curr_model_index, command_id,
-                             IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_SINGLE);
-  } else {
-    InsertItemAt(curr_model_index, command_id, l10n_util::GetStringFUTF16(
-        IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_MULTIPLE,
-        base::IntToString16(num_tabs)));
-  }
+  InsertItemAt(curr_model_index, command_id, l10n_util::GetPluralStringFUTF16(
+      IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW, num_tabs));
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   SetIcon(curr_model_index, rb.GetNativeImageNamed(IDR_RECENTLY_CLOSED_WINDOW));
   local_window_items_.push_back(window_id);
 }
 
 void RecentTabsSubMenuModel::BuildOtherDevicesTabItem(
     const std::string& session_tag,
     const sessions::SessionTab& tab) {
   const sessions::SerializedNavigationEntry& current_navigation =
       tab.navigations.at(tab.normalized_navigation_index());
@@ skipping 140 matching lines @@
 
   ui::MenuModelDelegate* menu_model_delegate = GetMenuModelDelegate();
   if (menu_model_delegate)
     menu_model_delegate->OnMenuStructureChanged();
 }
 
 void RecentTabsSubMenuModel::TabRestoreServiceDestroyed(
     TabRestoreService* service) {
   TabRestoreServiceChanged(service);
 }