First round UI touch up of DOMUI based network menu.

chrome/browser/chromeos/dom_ui/menu_ui.h

 // 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_DOM_UI_MENU_UI_H_
 #define CHROME_BROWSER_CHROMEOS_DOM_UI_MENU_UI_H_
 #pragma once
 
 #include <string>
 
@@ skipping 21 matching lines @@
   // Creates a menu item for the menu item at index in the model.
   virtual DictionaryValue* CreateMenuItem(const menus::MenuModel* model,
                                           int index,
                                           const char* type,
                                           int* max_icon_width,
                                           bool* has_accel) const;
 
   // Subclass can add extra parameters or replaces default configuration.
   virtual void AddCustomConfigValues(DictionaryValue* config) const {};
 
+  // Subclass can add their values to |localized_strings| and those values
+  // are used by JS template builder and could be accessed via JS class
+  // LocalStrings.
+  virtual void AddLocalizedStrings(DictionaryValue* localized_strings) const {};
+
   // A utility function which creates a concrete html file from
   // template file |menu_resource_id| and |menu_css_id| for given |menu_class|.
   // The resource_name is the host part of DOMUI's url.
   // Caution: This calls MenuUI::GetProfile() when creating the data source,
   // thus, it has to be initialized.
   static ChromeURLDataManager::DataSource* CreateMenuUIHTMLSource(
       const MenuUI& menu_ui,
       const std::string& source_name,
       const std::string& menu_class,
       int menu_source_res_id,
@@ skipping 24 matching lines @@
   // This may return null when menu is being deleted.
   menus::MenuModel* GetMenuModel();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MenuHandlerBase);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DOM_UI_MENU_UI_H_