Oilpan: add transition types to Navigator and its supplements.

Source/modules/serviceworkers/NavigatorServiceWorker.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 "config.h"
 #include "modules/serviceworkers/NavigatorServiceWorker.h"
 
 #include "core/frame/Navigator.h"
 #include "modules/serviceworkers/ServiceWorkerContainer.h"
 
 namespace WebCore {
 
 NavigatorServiceWorker::NavigatorServiceWorker(Navigator& navigator)
     : DOMWindowProperty(navigator.frame())
 {
 }
 
 NavigatorServiceWorker::~NavigatorServiceWorker()
 {
 }
 
 NavigatorServiceWorker& NavigatorServiceWorker::from(Navigator& navigator)
 {
     NavigatorServiceWorker* supplement = toNavigatorServiceWorker(navigator);
     if (!supplement) {
         supplement = new NavigatorServiceWorker(navigator);
-        provideTo(navigator, supplementName(), adoptPtr(supplement));
+        provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
 
+NavigatorServiceWorker* NavigatorServiceWorker::toNavigatorServiceWorker(Navigator& navigator)
+{
+    return static_cast<NavigatorServiceWorker*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
+}
+
 const char* NavigatorServiceWorker::supplementName()
 {
     return "NavigatorServiceWorker";
 }
 
 ServiceWorkerContainer* NavigatorServiceWorker::serviceWorker(ExecutionContext* executionContext, Navigator& navigator)
 {
     return NavigatorServiceWorker::from(navigator).serviceWorker(executionContext);
 }
 
 ServiceWorkerContainer* NavigatorServiceWorker::serviceWorker(ExecutionContext* executionContext)
 {
     if (!m_serviceWorker && frame())
         m_serviceWorker = ServiceWorkerContainer::create(executionContext);
     return m_serviceWorker.get();
 }
 
 void NavigatorServiceWorker::willDetachGlobalObjectFromFrame()
 {
     m_serviceWorker->detachClient();
     m_serviceWorker = nullptr;
 }
 
 } // namespace WebCore