[blink] Unique pointers in Platform.h

third_party/WebKit/Source/platform/WebThreadSupportingGC.cpp

 // 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 "platform/WebThreadSupportingGC.h"
 
 #include <memory>
 #include "platform/heap/SafePoint.h"
 #include "platform/scheduler/child/web_scheduler.h"
 #include "platform/wtf/PtrUtil.h"
@@ skipping 15 matching lines @@
                                              WebThread* thread)
     : thread_(thread) {
   DCHECK(!name || !thread);
 #if DCHECK_IS_ON()
   // We call this regardless of whether an existing thread is given or not,
   // as it means that blink is going to run with more than one thread.
   WTF::WillCreateThread();
 #endif
   if (!thread_) {
     // If |thread| is not given, create a new one and own it.
-    owning_thread_ = WTF::WrapUnique(Platform::Current()->CreateThread(name));
+    owning_thread_ = Platform::Current()->CreateThread(name);
     thread_ = owning_thread_.get();
   }
 }
 
 WebThreadSupportingGC::~WebThreadSupportingGC() {
   // WebThread's destructor blocks until all the tasks are processed.
   owning_thread_.reset();
 }
 
 void WebThreadSupportingGC::Initialize() {
@@ skipping 10 matching lines @@
 
   // Shutdown the thread (via its scheduler) only when the thread is created
   // and is owned by this instance.
   if (owning_thread_)
     owning_thread_->Scheduler()->Shutdown();
 
   ThreadState::DetachCurrentThread();
 }
 
 }  // namespace blink