Add blink interface (and code) for setting navigator.serviceWorker.current

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 20 matching lines @@
 #include "modules/serviceworkers/ServiceWorkerContainer.h"
 
 #include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/CallbackPromiseAdapter.h"
 #include "bindings/v8/ScriptPromiseResolver.h"
 #include "core/dom/ExecutionContext.h"
 #include "modules/serviceworkers/RegistrationOptionList.h"
 #include "modules/serviceworkers/ServiceWorker.h"
 #include "modules/serviceworkers/ServiceWorkerContainerClient.h"
 #include "modules/serviceworkers/ServiceWorkerError.h"
+#include "public/platform/WebServiceWorker.h"
 #include "public/platform/WebServiceWorkerProvider.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 
 using blink::WebServiceWorkerProvider;
 
 namespace WebCore {
 
 PassRefPtr<ServiceWorkerContainer> ServiceWorkerContainer::create(ExecutionContext* executionContext)
 {
@@ skipping 56 matching lines @@
     KURL patternURL = executionContext->completeURL(pattern);
     if (!pattern.isEmpty() && !documentOrigin->canRequest(patternURL)) {
         resolver->reject(DOMError::create(SecurityError, "Can only unregister for patterns in the document's origin."));
         return promise;
     }
 
     m_provider->unregisterServiceWorker(patternURL, new CallbackPromiseAdapter<ServiceWorker, ServiceWorkerError>(resolver, executionContext));
     return promise;
 }
 
+void ServiceWorkerContainer::setCurrentServiceWorker(blink::WebServiceWorker* serviceWorker)
+{
+    if (!executionContext())
+        return;
+    m_current = ServiceWorker::create(executionContext(), adoptPtr(serviceWorker));
+}
+
 ServiceWorkerContainer::ServiceWorkerContainer(ExecutionContext* executionContext)
-    : m_provider(0)
+    : ContextLifecycleObserver(executionContext)
+    , m_provider(0)
 {
     ScriptWrappable::init(this);
 
     if (!executionContext)
         return;
 
     if (ServiceWorkerContainerClient* client = ServiceWorkerContainerClient::from(executionContext)) {
         m_provider = client->provider();
         if (m_provider)
             m_provider->setClient(this);
     }
 }
 
 } // namespace WebCore