Include-what-you-use for WrapUnique/MakeUnique.

chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc

 // Copyright 2016 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/ntp_snippets/download_suggestions_provider.h"
 
 #include <memory>
 
 #include "base/bind.h"
+#include "base/memory/ptr_util.h"
 #include "base/observer_list.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/ntp_snippets/fake_download_item.h"
 #include "components/ntp_snippets/category.h"
 #include "components/ntp_snippets/mock_content_suggestions_provider_observer.h"
 #include "components/ntp_snippets/offline_pages/offline_pages_test_utils.h"
 #include "components/offline_pages/core/client_namespace_constants.h"
 #include "components/prefs/testing_pref_service.h"
 #include "content/public/test/mock_download_item.h"
 #include "content/public/test/mock_download_manager.h"
@@ skipping 979 matching lines @@
   EXPECT_THAT(GetDismissedSuggestions(), SizeIs(kMaxDismissedIdCount));
   DestroyProvider();
   // The oldest dismissed suggestion must become undismissed now. This is a
   // temporary workaround and not what we want in long term. This test must be
   // removed once we start pruning dismissed asset downloads on startup.
   EXPECT_CALL(*observer(),
               OnNewSuggestions(_, downloads_category(),
                                ElementsAre(HasUrl("http://download.com/0"))));
   CreateProvider(/*show_assets=*/true, /*show_offline_pages=*/false);
 }