mash: Use ChromeLauncherControllerImpl, remove Mus subclass stub.

chrome/browser/ui/ash/launcher/multi_profile_app_window_launcher_controller.cc

 // 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.
 
 #include "chrome/browser/ui/ash/launcher/multi_profile_app_window_launcher_controller.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
+#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 #include "components/signin/core/account_id/account_id.h"
 #include "extensions/browser/app_window/app_window.h"
 #include "extensions/browser/app_window/native_app_window.h"
 #include "ui/aura/window.h"
 
 MultiProfileAppWindowLauncherController::
-    MultiProfileAppWindowLauncherController(ChromeLauncherController* owner)
+    MultiProfileAppWindowLauncherController(ChromeLauncherControllerImpl* owner)
     : ExtensionAppWindowLauncherController(owner) {
   // We might have already active windows.
   extensions::AppWindowRegistry* registry =
       extensions::AppWindowRegistry::Get(owner->profile());
   app_window_list_.insert(app_window_list_.end(),
                           registry->app_windows().begin(),
                           registry->app_windows().end());
 }
 
 MultiProfileAppWindowLauncherController::
@@ skipping 116 matching lines @@
     DCHECK(!other_window->browser_context()->IsOffTheRecord());
     if (manager->IsWindowOnDesktopOfUser(other_window->GetNativeWindow(),
                                          current_account_id) &&
         app_id == other_window->extension_id() &&
         app_context == other_window->browser_context()) {
       return true;
     }
   }
   return false;
 }