mash: Use ChromeLauncherControllerImpl, remove Mus subclass stub.

chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc

 // 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.
 
 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 
 #include "ash/public/cpp/mus_property_mirror_ash.h"
 #include "ash/public/cpp/window_pin_type.h"
 #include "ash/public/cpp/window_properties.h"
 #include "ash/public/interfaces/window_pin_type.mojom.h"
 #include "ash/root_window_controller.h"
+#include "ash/shelf/shelf_model.h"
 #include "ash/shell.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/chrome_browser_main.h"
 #include "chrome/browser/ui/ash/ash_init.h"
 #include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/browser/ui/ash/cast_config_client_media_router.h"
 #include "chrome/browser/ui/ash/chrome_new_window_client.h"
 #include "chrome/browser/ui/ash/chrome_shell_content_state.h"
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.h"
+#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h"
 #include "chrome/browser/ui/ash/media_client.h"
 #include "chrome/browser/ui/ash/session_controller_client.h"
 #include "chrome/browser/ui/ash/system_tray_client.h"
 #include "chrome/browser/ui/ash/volume_controller.h"
 #include "chrome/browser/ui/ash/vpn_list_forwarder.h"
 #include "chrome/browser/ui/views/ash/tab_scrubber.h"
 #include "chrome/browser/ui/views/frame/immersive_context_mus.h"
 #include "chrome/browser/ui/views/frame/immersive_handler_factory_mus.h"
 #include "chrome/browser/ui/views/select_file_dialog_extension.h"
 #include "chrome/browser/ui/views/select_file_dialog_extension_factory.h"
@@ skipping 56 matching lines @@
   // screen.
   keyboard::InitializeKeyboard();
 
   ui::SelectFileDialog::SetFactory(new SelectFileDialogExtensionFactory);
 }
 
 void ChromeBrowserMainExtraPartsAsh::PostProfileInit() {
   if (ash_util::IsRunningInMash()) {
     DCHECK(!ash::Shell::HasInstance());
     DCHECK(!ChromeLauncherController::instance());
-    chrome_launcher_controller_mus_ =
-        base::MakeUnique<ChromeLauncherControllerMus>();
-    chrome_launcher_controller_mus_->Init();
+    // TODO(crbug.com/557406): Synchronize this ShelfModel with the one in Ash.
+    chrome_shelf_model_ = base::MakeUnique<ash::ShelfModel>();
+    chrome_launcher_controller_ =
+        base::MakeUnique<ChromeLauncherControllerImpl>(
+            nullptr, chrome_shelf_model_.get());
+    chrome_launcher_controller_->Init();
     chrome_shell_content_state_ = base::MakeUnique<ChromeShellContentState>();
   }
 
   cast_config_client_media_router_ =
       base::MakeUnique<CastConfigClientMediaRouter>();
   media_client_ = base::MakeUnique<MediaClient>();
 
   if (!ash::Shell::HasInstance())
     return;
 
   // Initialize TabScrubber after the Ash Shell has been initialized.
   TabScrubber::GetInstance();
   // Activate virtual keyboard after profile is initialized. It depends on the
   // default profile.
   ash::Shell::GetPrimaryRootWindowController()->ActivateKeyboard(
       keyboard::KeyboardController::GetInstance());
 }
 
 void ChromeBrowserMainExtraPartsAsh::PostMainMessageLoopRun() {
+  chrome_launcher_controller_.reset();
+  chrome_shelf_model_.reset();
   vpn_list_forwarder_.reset();
   volume_controller_.reset();
   new_window_client_.reset();
   system_tray_client_.reset();
   media_client_.reset();
   cast_config_client_media_router_.reset();
   session_controller_client_.reset();
 
   ash_init_.reset();
 }