Add Help wrench submenu

chrome/browser/ui/toolbar/wrench_menu_model.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_
 #define CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
@@ skipping 120 matching lines @@
   Browser* browser() const { return browser_; }
 
   BookmarkSubMenuModel* bookmark_sub_menu_model() const {
     return bookmark_sub_menu_model_.get();
   }
 
   // Calculates |zoom_label_| in response to a zoom change.
   void UpdateZoomControls();
 
  private:
+  class HelpMenuModel;
   // Testing constructor used for mocking.
   friend class ::MockWrenchMenuModel;
+
   WrenchMenuModel();
 
   void Build(bool is_new_menu);
 
   void AddGlobalErrorMenuItems();
 
   // Appends everything needed for the clipboard menu: a menu break, the
   // clipboard menu content and the finalizing menu break. If the last break
   // is not needed it can be suppressed by setting |new_menu|
   // to false.
   void CreateCutCopyPasteMenu(bool new_menu);
 
   // Appends everything needed for the zoom menu: a menu break, then the zoom
   // menu content and then another menu break. If the new menu type is used,
   // |new_menu| should be set to true.
   void CreateZoomMenu(bool new_menu);
 
   void OnZoomLevelChanged(const content::HostZoomMap::ZoomLevelChange& change);
 
   bool ShouldShowNewIncognitoWindowMenuItem();
 
   // Models for the special menu items with buttons.
   scoped_ptr<ui::ButtonMenuItemModel> edit_menu_item_model_;
   scoped_ptr<ui::ButtonMenuItemModel> zoom_menu_item_model_;
 
   // Label of the zoom label in the zoom menu item.
   base::string16 zoom_label_;
 
+#if defined(GOOGLE_CHROME_BUILD)
+  // Help menu.
+  scoped_ptr<HelpMenuModel> help_menu_model_;
+#endif
+
   // Tools menu.
   scoped_ptr<ToolsMenuModel> tools_menu_model_;
 
   // Bookmark submenu.
   scoped_ptr<BookmarkSubMenuModel> bookmark_sub_menu_model_;
 
   // Recent Tabs submenu.
   scoped_ptr<RecentTabsSubMenuModel> recent_tabs_sub_menu_model_;
 
   ui::AcceleratorProvider* provider_;  // weak
 
   Browser* browser_;  // weak
   TabStripModel* tab_strip_model_; // weak
 
   scoped_ptr<content::HostZoomMap::Subscription> zoom_subscription_;
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(WrenchMenuModel);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_