Oilpan: Move WorkerClients to the managed heap and trace its supplements.

Source/web/WorkerGlobalScopeProxyProviderImpl.cpp

 /*
  * Copyright (C) 2009 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 39 matching lines @@
 
 using namespace WebCore;
 
 namespace blink {
 
 WebCore::WorkerGlobalScopeProxy* WorkerGlobalScopeProxyProviderImpl::createWorkerGlobalScopeProxy(Worker* worker)
 {
     if (worker->executionContext()->isDocument()) {
         Document* document = toDocument(worker->executionContext());
         WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame());
-        OwnPtr<WorkerClients> workerClients = WorkerClients::create();
+        OwnPtrWillBeRawPtr<WorkerClients> workerClients = WorkerClients::create();
         provideLocalFileSystemToWorker(workerClients.get(), LocalFileSystemClient::create());
         provideDatabaseClientToWorker(workerClients.get(), DatabaseClientImpl::create());
         providePermissionClientToWorker(workerClients.get(), adoptPtr(webFrame->client()->createWorkerPermissionClientProxy(webFrame)));
         provideServiceWorkerContainerClientToWorker(workerClients.get(), adoptPtr(webFrame->client()->createServiceWorkerProvider(webFrame)));
         return new WorkerMessagingProxy(worker, workerClients.release());
     }
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 } // namespace blink