mash: Move LauncherItemController to ash, rename ShelfItemDelegate.

ash/common/shelf/shelf_window_watcher_item_delegate.cc

 // Copyright 2013 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/common/shelf/shelf_window_watcher_item_delegate.h"
 
 #include "ash/common/shelf/shelf_controller.h"
 #include "ash/common/shelf/shelf_model.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_window.h"
@@ skipping 10 matching lines @@
 ShelfItemType GetShelfItemType(ShelfID id) {
   ShelfModel* model = Shell::Get()->shelf_controller()->model();
   ShelfItems::const_iterator item = model->ItemByID(id);
   return item == model->items().end() ? TYPE_UNDEFINED : item->type;
 }
 
 }  // namespace
 
 ShelfWindowWatcherItemDelegate::ShelfWindowWatcherItemDelegate(ShelfID id,
                                                                WmWindow* window)
-    : id_(id), window_(window) {
+    : ShelfItemDelegate(AppLaunchId()), id_(id), window_(window) {
   DCHECK_NE(kInvalidShelfID, id_);
   DCHECK(window_);
 }
 
 ShelfWindowWatcherItemDelegate::~ShelfWindowWatcherItemDelegate() {}
 
 void ShelfWindowWatcherItemDelegate::ItemSelected(
     std::unique_ptr<ui::Event> event,
     int64_t display_id,
     ShelfLaunchSource source,
@@ skipping 22 matching lines @@
 }
 
 void ShelfWindowWatcherItemDelegate::ExecuteCommand(uint32_t command_id,
                                                     int32_t event_flags) {}
 
 void ShelfWindowWatcherItemDelegate::Close() {
   window_->CloseWidget();
 }
 
 }  // namespace ash