Remove DOMWindowProperty

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

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.h
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.h b/third_party/WebKit/Source/core/frame/LocalDOMWindow.h
index ad9a4cbb8e7fa060c948778a102e3b9474406ed7..2a12b799d6b5e726c84b6165af0281302b1f7d74 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.h
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.h
@@ -42,7 +42,6 @@ namespace blink {
 
 class CustomElementRegistry;
 class DOMWindowEventQueue;
-class DOMWindowProperty;
 class DocumentInit;
 class EventQueue;
 class FrameConsole;
@@ -172,9 +171,6 @@ class CORE_EXPORT LocalDOMWindow final : public DOMWindow,
   CustomElementRegistry* customElements() const;
   CustomElementRegistry* maybeCustomElements() const;
 
-  void registerProperty(DOMWindowProperty*);
-  void unregisterProperty(DOMWindowProperty*);
-
   void registerEventListenerObserver(EventListenerObserver*);
 
   void frameDestroyed();
@@ -267,8 +263,6 @@ class CORE_EXPORT LocalDOMWindow final : public DOMWindow,
 
   bool m_shouldPrintWhenFinishedLoading;
 
-  HeapHashSet<WeakMember<DOMWindowProperty>> m_properties;
-
   mutable Member<Screen> m_screen;
   mutable Member<History> m_history;
   mutable Member<BarProp> m_locationbar;