mash: Merge ChromeLauncherController and *Impl subclass.

chrome/browser/ui/ash/chrome_shell_delegate.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_CHROME_SHELL_DELEGATE_H_
 #define CHROME_BROWSER_UI_ASH_CHROME_SHELL_DELEGATE_H_
 
 #include <memory>
 #include <string>
 
 #include "ash/shell_delegate.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace chromeos {
 class DisplayConfigurationObserver;
 }
 
 namespace keyboard {
 class KeyboardUI;
 }
 
-class ChromeLauncherControllerImpl;
+class ChromeLauncherController;
 
 class ChromeShellDelegate : public ash::ShellDelegate,
                             public content::NotificationObserver {
  public:
   ChromeShellDelegate();
   ~ChromeShellDelegate() override;
 
   // ash::ShellDelegate overrides;
   service_manager::Connector* GetShellConnector() const override;
   bool IsMultiProfilesEnabled() const override;
@@ skipping 28 matching lines @@
   // content::NotificationObserver override:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
  private:
   void PlatformInit();
 
   content::NotificationRegistrar registrar_;
 
-  std::unique_ptr<ChromeLauncherControllerImpl> launcher_controller_;
+  std::unique_ptr<ChromeLauncherController> launcher_controller_;
 
   std::unique_ptr<chromeos::DisplayConfigurationObserver>
       display_configuration_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeShellDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_CHROME_SHELL_DELEGATE_H_