mash: Prerequisites for removing ShelfDelegate.

ash/shelf/shelf_application_menu_model_unittest.cc

 // Copyright 2015 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/shelf/shelf_application_menu_model.h"
 
 #include <utility>
 
-#include "ash/test/test_shelf_item_delegate.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace ash {
 
 namespace {
 
@@ skipping 97 matching lines @@
   histogram_tester.ExpectBucketCount(kSelectedMenuItemIndexHistogramName,
                                      kCommandId, 1);
 }
 
 // Verify histogram data is recorded when ExecuteCommand is called.
 TEST(ShelfApplicationMenuModelTest, VerifyHistogramOnExecute) {
   base::HistogramTester histogram_tester;
 
   std::vector<mojom::MenuItemPtr> items;
   items.push_back(ash::mojom::MenuItem::New());
-  test::TestShelfItemDelegate test_delegate(nullptr);
   base::string16 title = base::ASCIIToUTF16("title");
-  ShelfApplicationMenuModel menu(title, std::move(items), &test_delegate);
+  ShelfApplicationMenuModel menu(title, std::move(items), nullptr);
   menu.ExecuteCommand(0, 0);
 
   histogram_tester.ExpectTotalCount(kNumItemsEnabledHistogramName, 1);
   histogram_tester.ExpectTotalCount(kSelectedMenuItemIndexHistogramName, 1);
 }
 
 }  // namespace ash