Retire ThreadState::registerPreFinalizer<T>()

third_party/WebKit/Source/modules/webusb/USB.cpp

 // Copyright 2015 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 "modules/webusb/USB.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
@@ skipping 35 matching lines @@
   mojoFilter->has_protocol_code = filter.hasProtocolCode();
   if (mojoFilter->has_protocol_code)
     mojoFilter->protocol_code = filter.protocolCode();
   return mojoFilter;
 }
 
 }  // namespace
 
 USB::USB(LocalFrame& frame)
     : ContextLifecycleObserver(frame.document()), m_clientBinding(this) {
-  ThreadState::current()->registerPreFinalizer(this);
   frame.interfaceProvider()->getInterface(mojo::GetProxy(&m_deviceManager));
   m_deviceManager.set_connection_error_handler(convertToBaseCallback(WTF::bind(
       &USB::onDeviceManagerConnectionError, wrapWeakPersistent(this))));
   m_deviceManager->SetClient(m_clientBinding.CreateInterfacePtrAndBind());
 }
 
 USB::~USB() {
   // |m_deviceManager| and |m_chooserService| may still be valid but there
   // should be no more outstanding requests to them because each holds a
   // persistent handle to this object.
@@ skipping 180 matching lines @@
 
 DEFINE_TRACE(USB) {
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
   visitor->trace(m_deviceManagerRequests);
   visitor->trace(m_chooserServiceRequests);
   visitor->trace(m_deviceCache);
 }
 
 }  // namespace blink