Adding ChromeLauncherController interface.

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

 // Copyright 2016 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_ARC_APP_WINDOW_LAUNCHER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_WINDOW_LAUNCHER_CONTROLLER_H_
 
 #include <map>
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/ash/launcher/app_window_launcher_controller.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "ui/aura/env_observer.h"
 #include "ui/aura/window_observer.h"
 
+namespace ash {
+class ShelfDelegate;
+}
+
 namespace aura {
 class Window;
 }
 
 namespace views {
 class Widget;
 }
 
 class ArcAppWindowLauncherItemController;
 class ChromeLauncherController;
 
 class Profile;
 
 class ArcAppWindowLauncherController : public AppWindowLauncherController,
                                        public aura::EnvObserver,
                                        public aura::WindowObserver,
                                        public ArcAppListPrefs::Observer {
  public:
-  explicit ArcAppWindowLauncherController(ChromeLauncherController* owner);
+  ArcAppWindowLauncherController(ChromeLauncherController* owner,
+                                 ash::ShelfDelegate* shelf_delegate);
   ~ArcAppWindowLauncherController() override;
 
   // AppWindowLauncherControllre:
   void ActiveUserChanged(const std::string& user_email) override;
   void AdditionalUserAddedToSession(Profile* profile) override;
 
   // aura::EnvObserver:
   void OnWindowInitialized(aura::Window* window) override;
 
   // aura::WindowObserver:
@@ skipping 29 matching lines @@
   void UnregisterApp(AppWindow* app_window);
 
   AppWindow* GetAppWindowForTask(int task_id);
 
   void CheckForAppWindowWidget(aura::Window* window);
 
   // AppWindowLauncherController:
   AppWindowLauncherItemController* ControllerForWindow(
       aura::Window* window) override;
 
+  // Not owned
+  ash::ShelfDelegate* shelf_delegate_;
   int active_task_id_ = -1;
   TaskIdToAppWindow task_id_to_app_window_;
   AppControllerMap app_controller_map_;
   std::vector<aura::Window*> observed_windows_;
   Profile* observed_profile_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAppWindowLauncherController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_WINDOW_LAUNCHER_CONTROLLER_H_