mash: Move LauncherItemController to ash, rename ShelfItemDelegate.

ash/common/shelf/shelf_application_menu_model.cc

 // Copyright 2017 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_application_menu_model.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <utility>
 
 #include "base/metrics/histogram_macros.h"
 #include "ui/gfx/image/image.h"
 
 namespace {
 
 const int kInvalidCommandId = std::numeric_limits<int>::max();
 
 }  // namespace
 
 namespace ash {
 
 ShelfApplicationMenuModel::ShelfApplicationMenuModel(
     const base::string16& title,
     std::vector<mojom::MenuItemPtr> items,
-    mojom::ShelfItemDelegate* delegate)
+    ShelfItemDelegate* delegate)
     : ui::SimpleMenuModel(this), items_(std::move(items)), delegate_(delegate) {
   AddSeparator(ui::SPACING_SEPARATOR);
   AddItem(kInvalidCommandId, title);
   AddSeparator(ui::SPACING_SEPARATOR);
 
   for (size_t i = 0; i < items_.size(); i++) {
     mojom::MenuItem* item = items_[i].get();
     AddItem(i, item->label);
     if (!item->image.isNull()) {
       SetIcon(GetIndexOfCommandId(i),
@@ skipping 28 matching lines @@
 
 void ShelfApplicationMenuModel::RecordMenuItemSelectedMetrics(
     int command_id,
     int num_menu_items_enabled) {
   UMA_HISTOGRAM_COUNTS_100("Ash.Shelf.Menu.SelectedMenuItemIndex", command_id);
   UMA_HISTOGRAM_COUNTS_100("Ash.Shelf.Menu.NumItemsEnabledUponSelection",
                            num_menu_items_enabled);
 }
 
 }  // namespace ash