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

components/history/core/test/history_service_test_util.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 "components/history/core/test/history_service_test_util.h"
 
 #include "base/files/file_path.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "components/history/core/browser/history_backend.h"
@@ skipping 41 matching lines @@
   if (create_db)
     BlockUntilHistoryProcessesPendingRequests(history_service.get());
   return history_service;
 }
 
 void BlockUntilHistoryProcessesPendingRequests(
     HistoryService* history_service) {
   base::RunLoop run_loop;
   base::CancelableTaskTracker tracker;
   history_service->ScheduleDBTask(
-      base::WrapUnique(new QuitTask(run_loop.QuitClosure())), &tracker);
+      base::MakeUnique<QuitTask>(run_loop.QuitClosure()), &tracker);
   run_loop.Run();
 
   // Spin the runloop again until idle.  The QuitTask above is destroyed via a
   // task posted to the current message loop, so spinning allows the task to be
   // properly destroyed.
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace history