Remove DOMWindowLifecycleObserver

third_party/WebKit/Source/core/frame/LocalDOMWindow.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef LocalDOMWindow_h
 #define LocalDOMWindow_h
 
 #include "core/CoreExport.h"
 #include "core/events/EventTarget.h"
 #include "core/frame/DOMWindow.h"
-#include "core/frame/DOMWindowLifecycleNotifier.h"
-#include "core/frame/DOMWindowLifecycleObserver.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/LocalFrameLifecycleObserver.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Assertions.h"
 #include "wtf/Forward.h"
 #include <memory>
 
 namespace blink {
 
@@ skipping 13 matching lines @@
 class SourceLocation;
 class DOMVisualViewport;
 
 enum PageshowEventPersistence {
     PageshowEventNotPersisted = 0,
     PageshowEventPersisted = 1
 };
 
 // Note: if you're thinking of returning something DOM-related by reference,
 // please ping dcheng@chromium.org first. You probably don't want to do that.
-class CORE_EXPORT LocalDOMWindow final : public DOMWindow, public Supplementable<LocalDOMWindow>, public DOMWindowLifecycleNotifier {
+class CORE_EXPORT LocalDOMWindow final : public DOMWindow, public Supplementable<LocalDOMWindow> {
     USING_GARBAGE_COLLECTED_MIXIN(LocalDOMWindow);
     USING_PRE_FINALIZER(LocalDOMWindow, dispose);
 public:
+
+    class CORE_EXPORT EventListenerObserver : public GarbageCollectedMixin {
+    public:
+        virtual void didAddEventListener(LocalDOMWindow*, const AtomicString&) = 0;
+        virtual void didRemoveEventListener(LocalDOMWindow*, const AtomicString&) = 0;
+        virtual void didRemoveAllEventListeners(LocalDOMWindow*) = 0;
+    };
+
     static Document* createDocument(const String& mimeType, const DocumentInit&, bool forceXHTML);
     static LocalDOMWindow* create(LocalFrame& frame)
     {
         return new LocalDOMWindow(frame);
     }
 
     ~LocalDOMWindow() override;
 
     DECLARE_VIRTUAL_TRACE();
 
@@ skipping 63 matching lines @@
     int webkitRequestAnimationFrame(FrameRequestCallback*) override;
     void cancelAnimationFrame(int id) override;
     int requestIdleCallback(IdleRequestCallback*, const IdleRequestOptions&) override;
     void cancelIdleCallback(int id) override;
     CustomElementsRegistry* customElements(ScriptState*) const override;
     CustomElementsRegistry* customElements() const;
 
     void registerProperty(DOMWindowProperty*);
     void unregisterProperty(DOMWindowProperty*);
 
+    void registerEventListenerObserver(EventListenerObserver*);
+
     void reset();
 
     unsigned pendingUnloadEventListeners() const;
 
     bool allowPopUp(); // Call on first window, not target window.
     static bool allowPopUp(LocalFrame& firstFrame);
 
     Element* frameElement() const;
 
     DOMWindow* open(const String& urlString, const AtomicString& frameName, const String& windowFeaturesString,
@@ skipping 87 matching lines @@
 
     String m_status;
     String m_defaultStatus;
 
     mutable Member<ApplicationCache> m_applicationCache;
 
     Member<DOMWindowEventQueue> m_eventQueue;
     RefPtr<SerializedScriptValue> m_pendingStateObject;
 
     HeapHashSet<Member<PostMessageTimer>> m_postMessageTimers;
+    HeapHashSet<WeakMember<EventListenerObserver>> m_eventListenerObservers;
 };
 
 DEFINE_TYPE_CASTS(LocalDOMWindow, DOMWindow, x, x->isLocalDOMWindow(), x.isLocalDOMWindow());
 
 inline String LocalDOMWindow::status() const
 {
     return m_status;
 }
 
 inline String LocalDOMWindow::defaultStatus() const
 {
     return m_defaultStatus;
 }
 
 } // namespace blink
 
 #endif // LocalDOMWindow_h