Remove DOMWindowProperty from PresentationController

third_party/WebKit/Source/modules/presentation/PresentationController.h

Index: third_party/WebKit/Source/modules/presentation/PresentationController.h
diff --git a/third_party/WebKit/Source/modules/presentation/PresentationController.h b/third_party/WebKit/Source/modules/presentation/PresentationController.h
index 6de10b8383fa54ee6fe698f579527ed37f98c66b..9aecc0f4c95e7ca5fe0ae9f76640a15f451eaddf 100644
--- a/third_party/WebKit/Source/modules/presentation/PresentationController.h
+++ b/third_party/WebKit/Source/modules/presentation/PresentationController.h
@@ -5,7 +5,7 @@
 #ifndef PresentationController_h
 #define PresentationController_h
 
-#include "core/frame/DOMWindowProperty.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "core/frame/LocalFrame.h"
 #include "modules/ModulesExport.h"
 #include "modules/presentation/Presentation.h"
@@ -27,7 +27,7 @@ enum class WebPresentationConnectionState;
 class MODULES_EXPORT PresentationController final
     : public GarbageCollectedFinalized<PresentationController>,
       public Supplement<LocalFrame>,
-      public DOMWindowProperty,
+      public ContextLifecycleObserver,
       public WebPresentationController {
   USING_GARBAGE_COLLECTED_MIXIN(PresentationController);
   WTF_MAKE_NONCOPYABLE(PresentationController);
@@ -76,8 +76,8 @@ class MODULES_EXPORT PresentationController final
  private:
   PresentationController(LocalFrame&, WebPresentationClient*);
 
-  // Implementation of DOMWindowProperty.
-  void frameDestroyed() override;
+  // Implementation of ContextLifecycleObserver.
+  void contextDestroyed() override;
 
   // Return the connection associated with the given |connectionClient| or
   // null if it doesn't exist.