mash: Migrate ShellDelegate ownership and access to WmShell.

ash/shell/window_type_launcher.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 "ash/shell/window_type_launcher.h"
 
 #include <utility>
 
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/web_notification/web_notification_tray.h"
 #include "ash/common/wm_shell.h"
 #include "ash/content/shell_content_state.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell/example_factory.h"
 #include "ash/shell/panel_window.h"
 #include "ash/shell/toplevel_window.h"
-#include "ash/shell_delegate.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/test/child_modal_window.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/canvas.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/notification_types.h"
 #include "ui/views/controls/button/label_button.h"
@@ skipping 329 matching lines @@
                                               views::MenuRunner::ASYNC));
   if (menu_runner_->RunMenuAt(GetWidget(), NULL, gfx::Rect(point, gfx::Size()),
                               views::MENU_ANCHOR_TOPLEFT,
                               source_type) == MenuRunner::MENU_DELETED) {
     return;
   }
 }
 
 }  // namespace shell
 }  // namespace ash