ActiveScriptWrappable: GC wrappers in detached ExecutionContexts.

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerRegistration.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 "modules/serviceworkers/ServiceWorkerRegistration.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 114 matching lines @@
   m_handle->registration()->unregister(
       client->provider(),
       WTF::makeUnique<CallbackPromiseAdapter<bool, ServiceWorkerError>>(
           resolver));
   return promise;
 }
 
 ServiceWorkerRegistration::ServiceWorkerRegistration(
     ExecutionContext* executionContext,
     std::unique_ptr<WebServiceWorkerRegistration::Handle> handle)
-    : ActiveScriptWrappable(this),
+    : ActiveScriptWrappable<ServiceWorkerRegistration>(this),
       SuspendableObject(executionContext),
       m_handle(std::move(handle)),
       m_stopped(false) {
   ASSERT(m_handle);
   ASSERT(!m_handle->registration()->proxy());
 
   if (!executionContext)
     return;
   m_handle->registration()->setProxy(this);
 }
@@ skipping 17 matching lines @@
 }
 
 void ServiceWorkerRegistration::contextDestroyed() {
   if (m_stopped)
     return;
   m_stopped = true;
   m_handle->registration()->proxyStopped();
 }
 
 }  // namespace blink