ServiceWorker: Add support for .skipWaiting and controllerchange event(1/3)

Source/modules/serviceworkers/ServiceWorkerContainer.h

 /*
  * 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ServiceWorkerContainer_h
 #define ServiceWorkerContainer_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseProperty.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ContextLifecycleObserver.h"
+#include "core/events/EventTarget.h"
 #include "modules/serviceworkers/RegistrationOptions.h"
 #include "modules/serviceworkers/ServiceWorker.h"
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebServiceWorkerProviderClient.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class ExecutionContext;
 class WebServiceWorker;
 class WebServiceWorkerProvider;
 class WebServiceWorkerRegistration;
 
 class ServiceWorkerContainer final
-    : public GarbageCollectedFinalized<ServiceWorkerContainer>
-    , public ScriptWrappable
+    : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<ServiceWorkerContainer>
+    , public EventTargetWithInlineData
     , public ContextLifecycleObserver
     , public WebServiceWorkerProviderClient {
     DEFINE_WRAPPERTYPEINFO();
+    DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<ServiceWorkerContainer>);
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ServiceWorkerContainer);
 public:
     static ServiceWorkerContainer* create(ExecutionContext*);
     ~ServiceWorkerContainer();
 
     void willBeDetachedFromFrame();
 
     void trace(Visitor*);
 
     PassRefPtrWillBeRawPtr<ServiceWorker> controller() { return m_controller.get(); }
     ScriptPromise ready(ScriptState*);
     WebServiceWorkerProvider* provider() { return m_provider; }
 
     ScriptPromise registerServiceWorker(ScriptState*, const String& pattern, const RegistrationOptions&);
     ScriptPromise getRegistration(ScriptState*, const String& documentURL);
 
     // WebServiceWorkerProviderClient overrides.
-    virtual void setController(WebServiceWorker*) override;
+    virtual void setController(WebServiceWorker*, bool shouldNotifyControllerChange) override;
     virtual void setReadyRegistration(WebServiceWorkerRegistration*) override;
     virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) override;
 
+    // EventTarget overrides.
+    virtual ExecutionContext* executionContext() const override { return ContextLifecycleObserver::executionContext(); }
+    virtual const AtomicString& interfaceName() const override;
+
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(controllerchange);
+
 private:
     explicit ServiceWorkerContainer(ExecutionContext*);
 
     typedef ScriptPromiseProperty<Member<ServiceWorkerContainer>, Member<ServiceWorkerRegistration>, Member<ServiceWorkerRegistration> > ReadyProperty;
     ReadyProperty* createReadyProperty();
 
     WebServiceWorkerProvider* m_provider;
     RefPtrWillBeMember<ServiceWorker> m_controller;
     Member<ServiceWorkerRegistration> m_readyRegistration;
     Member<ReadyProperty> m_ready;
 };
 
 } // namespace blink
 
 #endif // ServiceWorkerContainer_h