mash: Use ChromeLauncherControllerImpl, remove Mus subclass stub.

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

 // 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.
 
 #include "chrome/browser/ui/ash/launcher/extension_app_window_launcher_controller.h"
 
 #include "ash/shelf/shelf_model.h"
-#include "ash/shell.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm_window.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/profiles/profile.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/launcher/extension_app_window_launcher_item_controller.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 #include "extensions/browser/app_window/app_window.h"
 #include "extensions/browser/app_window/native_app_window.h"
 #include "extensions/common/extension.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 
 using extensions::AppWindow;
 using extensions::AppWindowRegistry;
@@ skipping 18 matching lines @@
 std::string GetAppShelfId(AppWindow* app_window) {
   // Set app_shelf_id value to app_id and then append launch_id.
   std::string app_id = app_window->extension_id();
   std::string launch_id = GetLaunchId(app_window);
   return app_id + launch_id;
 }
 
 }  // namespace
 
 ExtensionAppWindowLauncherController::ExtensionAppWindowLauncherController(
-    ChromeLauncherController* owner)
+    ChromeLauncherControllerImpl* owner)
     : AppWindowLauncherController(owner) {
   AppWindowRegistry* registry = AppWindowRegistry::Get(owner->profile());
   registry_.insert(registry);
   registry->AddObserver(this);
 }
 
 ExtensionAppWindowLauncherController::~ExtensionAppWindowLauncherController() {
   for (std::set<AppWindowRegistry*>::iterator it = registry_.begin();
        it != registry_.end(); ++it)
     (*it)->RemoveObserver(this);
@@ skipping 96 matching lines @@
     std::string launch_id = GetLaunchId(app_window);
     std::unique_ptr<ExtensionAppWindowLauncherItemController> controller =
         base::MakeUnique<ExtensionAppWindowLauncherItemController>(
             ash::AppLaunchId(app_id, launch_id));
     ExtensionAppWindowLauncherItemController* item_controller =
         controller.get();
 
     controller->AddAppWindow(app_window);
     // If there is already a shelf id mapped to this AppLaunchId (e.g. pinned),
     // use that shelf item.
-    shelf_id = ash::Shell::Get()->shelf_model()->GetShelfIDForAppIDAndLaunchID(
-        app_id, launch_id);
+    shelf_id = owner()->GetShelfIDForAppIDAndLaunchID(app_id, launch_id);
 
     if (shelf_id == 0) {
       shelf_id = owner()->CreateAppLauncherItem(std::move(controller), status);
       // Restore any existing app icon and flag as set.
       if (app_window->HasCustomIcon() && !app_window->app_icon().IsEmpty()) {
         owner()->SetLauncherItemImage(shelf_id,
                                       app_window->app_icon().AsImageSkia());
         item_controller->set_image_set_by_controller(true);
       }
     } else {
-      ash::ShelfModel* shelf_model = ash::Shell::Get()->shelf_model();
-      shelf_model->SetShelfItemDelegate(shelf_id, std::move(controller));
+      owner()->shelf_model()->SetShelfItemDelegate(shelf_id,
+                                                   std::move(controller));
     }
 
     // We need to change the controller associated with app_shelf_id.
     app_controller_map_[app_shelf_id] = item_controller;
   }
   owner()->SetItemStatus(shelf_id, status);
   ash::WmWindow::Get(window)->aura_window()->SetProperty(ash::kShelfIDKey,
                                                          shelf_id);
 }
 
@@ skipping 35 matching lines @@
   WindowToAppShelfIdMap::iterator window_iter =
       window_to_app_shelf_id_map_.find(window);
   if (window_iter == window_to_app_shelf_id_map_.end())
     return nullptr;
   AppControllerMap::iterator app_controller_iter =
       app_controller_map_.find(window_iter->second);
   if (app_controller_iter == app_controller_map_.end())
     return nullptr;
   return app_controller_iter->second;
 }