Revert of [blink] Unique pointers in Platform.h

third_party/WebKit/Source/platform/audio/HRTFDatabaseLoader.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 77 matching lines @@
   DCHECK(IsMainThread());
 
   // m_hrtfDatabase and m_thread should both be unset because this should be a
   // new HRTFDatabaseLoader object that was just created by
   // createAndLoadAsynchronouslyIfNecessary and because we haven't started
   // loadTask yet for this object.
   DCHECK(!hrtf_database_);
   DCHECK(!thread_);
 
   // Start the asynchronous database loading process.
-  thread_ = Platform::Current()->CreateThread("HRTF database loader");
+  thread_ = WTF::WrapUnique(
+      Platform::Current()->CreateThread("HRTF database loader"));
   // TODO(alexclarke): Should this be posted as a loading task?
   thread_->GetWebTaskRunner()->PostTask(
       BLINK_FROM_HERE, CrossThreadBind(&HRTFDatabaseLoader::LoadTask,
                                        CrossThreadUnretained(this)));
 }
 
 HRTFDatabase* HRTFDatabaseLoader::Database() {
   DCHECK(!IsMainThread());
 
   // Seeing that this is only called from the audio thread, we can't block.
@@ skipping 20 matching lines @@
   // TODO(alexclarke): Should this be posted as a loading task?
   thread_->GetWebTaskRunner()->PostTask(
       BLINK_FROM_HERE, CrossThreadBind(&HRTFDatabaseLoader::CleanupTask,
                                        CrossThreadUnretained(this),
                                        CrossThreadUnretained(&sync)));
   sync.Wait();
   thread_.reset();
 }
 
 }  // namespace blink