Adding ChromeLauncherController interface.

chrome/browser/ui/ash/launcher/arc_app_deferred_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_DEFERRED_LAUNCHER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_DEFERRED_LAUNCHER_CONTROLLER_H_
 
 #include <map>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_icon_loader.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 
 class ArcAppDeferredLauncherItemController;
-class ChromeLauncherController;
+class ChromeLauncherControllerImpl;
 
 class ArcAppDeferredLauncherController : public ArcAppListPrefs::Observer,
                                          public ArcAppIconLoader::PostEffect {
  public:
-  explicit ArcAppDeferredLauncherController(ChromeLauncherController* owner);
+  explicit ArcAppDeferredLauncherController(
+      ChromeLauncherControllerImpl* owner);
   ~ArcAppDeferredLauncherController() override;
 
   base::TimeDelta GetActiveTime(const std::string& app_id) const;
 
   // Register deferred Arc app launch.
   void RegisterDeferredLaunch(const std::string& app_id);
 
   // ArcAppIconLoader::PostEffect:
   void Apply(const std::string& app_id, gfx::ImageSkia* image) override;
 
   // ArcAppListPrefs::Observer:
   void OnAppReadyChanged(const std::string& app_id, bool ready) override;
   void OnAppRemoved(const std::string& app_id) override;
 
   // Close Shelf item if it has ArcAppDeferredLauncherItemController controller
   // and remove entry from the list of tracking items.
   void Close(const std::string& app_id);
 
  private:
   using AppControllerMap =
       std::map<std::string, ArcAppDeferredLauncherItemController*>;
 
   void UpdateApps();
   void RegisterNextUpdate();
 
   // Unowned pointers.
-  ChromeLauncherController* owner_;
+  ChromeLauncherControllerImpl* owner_;
   Profile* observed_profile_ = nullptr;
 
   AppControllerMap app_controller_map_;
 
   // Always keep this the last member of this class.
   base::WeakPtrFactory<ArcAppDeferredLauncherController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAppDeferredLauncherController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_DEFERRED_LAUNCHER_CONTROLLER_H_