Replace DOMWindowProperty in modules/presentation/ with ContextClient

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef Presentation_h
 #define Presentation_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
-#include "core/frame/DOMWindowProperty.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "platform/heap/Handle.h"
 #include "platform/heap/Heap.h"
 
 namespace blink {
 
 class LocalFrame;
 class PresentationReceiver;
 class PresentationRequest;
 
 // Implements the main entry point of the Presentation API corresponding to the
 // Presentation.idl
 // See https://w3c.github.io/presentation-api/#navigatorpresentation for
 // details.
 class Presentation final : public GarbageCollected<Presentation>,
                            public ScriptWrappable,
-                           public DOMWindowProperty {
+                           public ContextClient {
   USING_GARBAGE_COLLECTED_MIXIN(Presentation);
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static Presentation* create(LocalFrame*);
 
   DECLARE_VIRTUAL_TRACE();
 
   PresentationRequest* defaultRequest() const;
   void setDefaultRequest(PresentationRequest*);
 
   PresentationReceiver* receiver();
 
  private:
   explicit Presentation(LocalFrame*);
 
   // Default PresentationRequest used by the embedder.
   Member<PresentationRequest> m_defaultRequest;
 
   // PresentationReceiver instance. It will always be nullptr if the Blink
   // instance is not running as a presentation receiver.
   Member<PresentationReceiver> m_receiver;
 };
 
 }  // namespace blink
 
 #endif  // Presentation_h