Show app list items which open in chrome with a tab overlay.

chrome/browser/ui/app_list/extension_app_item.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_APP_LIST_EXTENSION_APP_ITEM_H_
 #define CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_ITEM_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 33 matching lines @@
   // |next|. Note that |prev| and |next| could be NULL when the app is put at
   // the beginning or at the end.
   void Move(const ExtensionAppItem* prev, const ExtensionAppItem* next);
 
   const std::string& extension_id() const { return extension_id_; }
 
  private:
   // Loads extension icon.
   void LoadImage(const extensions::Extension* extension);
 
+  // Whether or not the app item has an overlay.
+  bool HasOverlay();
+
+  // Sets the app item's icon, if necessary adding an overlay.
+  void SetIconWithOverlay(const gfx::ImageSkia& icon);
+
   void ShowExtensionOptions();
   void ShowExtensionDetails();
   void StartExtensionUninstall();
 
   // Overridden from extensions::IconImage::Observer:
   virtual void OnExtensionIconImageChanged(
       extensions::IconImage* image) OVERRIDE;
 
   // Overridden from ui::SimpleMenuModel::Delegate:
   virtual bool IsItemForCommandIdDynamic(int command_id) const OVERRIDE;
@@ skipping 17 matching lines @@
   AppListControllerDelegate* controller_;
 
   scoped_ptr<extensions::IconImage> icon_;
   scoped_ptr<ui::SimpleMenuModel> context_menu_model_;
   scoped_ptr<extensions::ContextMenuMatcher> extension_menu_items_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionAppItem);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_ITEM_H_