Remove LauncherItemController::IsOpen, check ShelfItem::status.

chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h

 // Copyright 2014 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_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 28 matching lines @@
   void AddWindow(ui::BaseWindow* window);
   void RemoveWindow(ui::BaseWindow* window);
 
   void SetActiveWindow(aura::Window* window);
   ui::BaseWindow* GetAppWindow(aura::Window* window);
 
   const std::string& app_id() const { return app_id_; }
   const std::string& launch_id() const { return launch_id_; }
 
   // LauncherItemController overrides:
-  bool IsOpen() const override;
   bool IsVisible() const override;
   void Launch(ash::LaunchSource source, int event_flags) override;
   ash::ShelfItemDelegate::PerformedAction Activate(
       ash::LaunchSource source) override;
   ChromeLauncherAppMenuItems GetApplicationList(int event_flags) override;
   ash::ShelfItemDelegate::PerformedAction ItemSelected(
       const ui::Event& event) override;
   base::string16 GetTitle() override;
   bool IsDraggable() override;
   bool CanPin() const override;
@@ skipping 51 matching lines @@
   // uniquely identify each shelf item that has the same app_id.
   const std::string launch_id_;
 
   // Scoped list of observed windows (for removal on destruction)
   ScopedObserver<aura::Window, aura::WindowObserver> observed_windows_;
 
   DISALLOW_COPY_AND_ASSIGN(AppWindowLauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_