ServiceWorkerContainer should override contextDestroyed and clear m_provider

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerContainer.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 164 matching lines @@
 ServiceWorkerContainer* ServiceWorkerContainer::create(ExecutionContext* executionContext)
 {
     return new ServiceWorkerContainer(executionContext);
 }
 
 ServiceWorkerContainer::~ServiceWorkerContainer()
 {
     ASSERT(!m_provider);
 }
 
-void ServiceWorkerContainer::willBeDetachedFromFrame()
+void ServiceWorkerContainer::contextDestroyed()
 {
     if (m_provider) {
         m_provider->setClient(0);
         m_provider = nullptr;
     }
 }
 
 DEFINE_TRACE(ServiceWorkerContainer)
 {
     visitor->trace(m_controller);
@@ skipping 224 matching lines @@
         return;
 
     if (ServiceWorkerContainerClient* client = ServiceWorkerContainerClient::from(executionContext)) {
         m_provider = client->provider();
         if (m_provider)
             m_provider->setClient(this);
     }
 }
 
 } // namespace blink