Remove unnecessary SafePointScope

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 "platform/heap/SafePoint.h"
 #include "public/platform/WebScheduler.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/Threading.h"
@@ skipping 21 matching lines @@
   WTF::willCreateThread();
 #endif
   if (!m_thread) {
     // If |thread| is not given, create a new one and own it.
     m_owningThread = WTF::wrapUnique(Platform::current()->createThread(name));
     m_thread = m_owningThread.get();
   }
 }
 
 WebThreadSupportingGC::~WebThreadSupportingGC() {
-  if (ThreadState::current() && m_owningThread) {
-    // WebThread's destructor blocks until all the tasks are processed.
-    SafePointScope scope(BlinkGC::HeapPointersOnStack);
-    m_owningThread.reset();
-  }
+  // WebThread's destructor blocks until all the tasks are processed.
+  m_owningThread.reset();
 }
 
 void WebThreadSupportingGC::initialize() {
   ThreadState::attachCurrentThread();
   m_gcTaskRunner = WTF::makeUnique<GCTaskRunner>(m_thread);
 }
 
 void WebThreadSupportingGC::shutdown() {
 #if defined(LEAK_SANITIZER)
   ThreadState::current()->releaseStaticPersistentNodes();
 #endif
   // Ensure no posted tasks will run from this point on.
   m_gcTaskRunner.reset();
 
   // Shutdown the thread (via its scheduler) only when the thread is created
   // and is owned by this instance.
   if (m_owningThread)
     m_owningThread->scheduler()->shutdown();
 
   ThreadState::detachCurrentThread();
 }
 
 }  // namespace blink