mash: Merge ChromeLauncherController and *Impl subclass.

chrome/browser/ui/ash/launcher/app_window_launcher_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_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_CONTROLLER_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "ui/wm/public/activation_change_observer.h"
 
 namespace aura {
 
 class Window;
 
 namespace client {
 class ActivationClient;
 }
 }
 
 class AppWindowLauncherItemController;
-class ChromeLauncherControllerImpl;
+class ChromeLauncherController;
 class Profile;
 
 class AppWindowLauncherController
     : public aura::client::ActivationChangeObserver {
  public:
   ~AppWindowLauncherController() override;
 
-  // Called by ChromeLauncherControllerImpl when the active user changed and the
+  // Called by ChromeLauncherController when the active user changed and the
   // items need to be updated.
   virtual void ActiveUserChanged(const std::string& user_email) {}
 
   // An additional user identified by |Profile|, got added to the existing
   // session.
   virtual void AdditionalUserAddedToSession(Profile* profile) {}
 
   // Overriden from client::ActivationChangeObserver:
   void OnWindowActivated(
       aura::client::ActivationChangeObserver::ActivationReason reason,
       aura::Window* gained_active,
       aura::Window* lost_active) override;
 
  protected:
-  explicit AppWindowLauncherController(ChromeLauncherControllerImpl* owner);
+  explicit AppWindowLauncherController(ChromeLauncherController* owner);
 
-  ChromeLauncherControllerImpl* owner() { return owner_; }
+  ChromeLauncherController* owner() { return owner_; }
 
   virtual AppWindowLauncherItemController* ControllerForWindow(
       aura::Window* window) = 0;
 
  private:
   // Unowned pointers.
-  ChromeLauncherControllerImpl* owner_;
+  ChromeLauncherController* owner_;
   aura::client::ActivationClient* activation_client_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(AppWindowLauncherController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_CONTROLLER_H_