Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/safe_browsing/incident_reporting/last_download_finder_unittest.cc

 // Copyright 2014 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/safe_browsing/incident_reporting/last_download_finder.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 53 matching lines @@
       profile->GetPath().Append(history::kHistoryFilename));
   if (!base::DeleteFile(history_path, false) ||
       base::PathExists(history_path)) {
     ADD_FAILURE() << "failed to delete history db file "
                   << history_path.value();
     return nullptr;
   }
 
   std::unique_ptr<history::HistoryService> history_service(
       new history::HistoryService(
-          base::WrapUnique(new ChromeHistoryClient(
-              BookmarkModelFactory::GetForBrowserContext(profile))),
+          base::MakeUnique<ChromeHistoryClient>(
+              BookmarkModelFactory::GetForBrowserContext(profile)),
           std::unique_ptr<history::VisitDelegate>()));
   if (history_service->Init(
           history::HistoryDatabaseParamsForPath(profile->GetPath()))) {
     return std::move(history_service);
   }
 
   ADD_FAILURE() << "failed to initialize history service";
   return nullptr;
 }
 
@@ skipping 377 matching lines @@
       base::Bind(&LastDownloadFinderTest::OnLastDownload,
                  base::Unretained(this), &last_binary_download,
                  &last_non_binary_download, run_loop.QuitClosure())));
 
   run_loop.Run();
 
   ASSERT_TRUE(last_binary_download);
 }
 
 }  // namespace safe_browsing