Add option to install an ephemeral app to ChromeOS shelf context menu

chrome/browser/ui/ash/launcher/launcher_context_menu.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_ASH_LAUNCHER_LAUNCHER_CONTEXT_MENU_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTEXT_MENU_H_
 
 #include "ash/shelf/shelf_alignment_menu.h"
 #include "ash/shelf/shelf_item_types.h"
 #include "base/basictypes.h"
@@ skipping 39 matching lines @@
   void Init();
 
   // ID of the item we're showing the context menu for.
   ash::ShelfID id() const { return item_.id; }
 
   // ui::SimpleMenuModel::Delegate overrides:
   virtual bool IsItemForCommandIdDynamic(int command_id) const OVERRIDE;
   virtual base::string16 GetLabelForCommandId(int command_id) const OVERRIDE;
   virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
   virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
+  virtual bool IsCommandIdVisible(int command_id) const OVERRIDE;
   virtual bool GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) OVERRIDE;
   virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(
       LauncherContextMenuTest,
       NewIncognitoWindowMenuIsDisabledWhenIncognitoModeOff);
   FRIEND_TEST_ALL_PREFIXES(
       LauncherContextMenuTest,
       NewWindowMenuIsDisabledWhenIncognitoModeForced);
   FRIEND_TEST_ALL_PREFIXES(
       LauncherContextMenuTest,
       NoAutoHideOptionInMaximizedMode);
 
   enum MenuItem {
     MENU_OPEN_NEW,
     MENU_CLOSE,
     MENU_PIN,
+    MENU_INSTALL,
     LAUNCH_TYPE_PINNED_TAB,
     LAUNCH_TYPE_REGULAR_TAB,
     LAUNCH_TYPE_FULLSCREEN,
     LAUNCH_TYPE_WINDOW,
     MENU_AUTO_HIDE,
     MENU_NEW_WINDOW,
     MENU_NEW_INCOGNITO_WINDOW,
     MENU_ALIGNMENT_MENU,
 #if defined(OS_CHROMEOS)
     MENU_CHANGE_WALLPAPER,
@@ skipping 14 matching lines @@
 
   aura::Window* root_window_;
 
   // Not owned.
   ash::ShelfItemDelegate* item_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherContextMenu);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTEXT_MENU_H_