[ash] Add TYPE_DIALOG and its item's LauncherContextMenu

chrome/browser/ui/ash/launcher/launcher_item_controller.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_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include "ash/launcher/launcher_types.h"
 #include "ash/shelf/shelf_item_delegate.h"
 #include "base/basictypes.h"
@@ skipping 60 matching lines @@
   virtual bool IsVisible() const = 0;
 
   // Launches a new instance of the app associated with this item.
   virtual void Launch(ash::LaunchSource source, int event_flags) = 0;
 
   // Shows and activates the most-recently-active window associated with the
   // item, or launches the item if it is not currently open.
   // Returns true when a new item got created.
   virtual bool Activate(ash::LaunchSource source) = 0;
 
-  // Closes all windows associated with this item.
-  virtual void Close() = 0;
-
   // Called to retrieve the list of running applications.
   virtual ChromeLauncherAppMenuItems GetApplicationList(int event_flags) = 0;
 
   // Helper function to get the ash::LauncherItemType for the item type.
   ash::LauncherItemType GetLauncherItemType() const;
 
  protected:
   // Helper function to return the title associated with |app_id_|.
   // Returns an empty title if no matching extension can be found.
   base::string16 GetAppTitle() const;
@@ skipping 10 matching lines @@
   // applications.
   int locked_;
 
   // Set to true if the launcher item image has been set by the controller.
   bool image_set_by_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_