Use ICU plural syntax in more place

chrome/browser/ui/views/frame/global_menu_bar_x11.cc

Index: chrome/browser/ui/views/frame/global_menu_bar_x11.cc
diff --git a/chrome/browser/ui/views/frame/global_menu_bar_x11.cc b/chrome/browser/ui/views/frame/global_menu_bar_x11.cc
index d7756f5866d3d355261e35047b2344b4a2d54788..c6e1c389490e3fa1d0cd10618bab91aceedb0bfc 100644
--- a/chrome/browser/ui/views/frame/global_menu_bar_x11.cc
+++ b/chrome/browser/ui/views/frame/global_menu_bar_x11.cc
@@ -761,12 +761,8 @@ void GlobalMenuBarX11::TabRestoreServiceChanged(TabRestoreService* service) {
       HistoryItem* item = new HistoryItem();
       item->session_id = entry_win->id;
 
-      std::string title = tabs.size() == 1 ?
-          l10n_util::GetStringUTF8(
-              IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_SINGLE) :
-          l10n_util::GetStringFUTF8(
-              IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_MULTIPLE,
-              base::IntToString16(tabs.size()));
+      std::string title = l10n_util::GetPluralStringFUTF8(
+          IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW, tabs.size());
       DbusmenuMenuitem* parent_item = BuildMenuItem(
           title, TAG_RECENTLY_CLOSED);
       menuitem_child_add_position(history_menu_, parent_item, index++);