Remove LocalFrameLifecycleObserver::willDetachFrameHost()

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

 // Copyright 2015 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 PresentationController_h
 #define PresentationController_h
 
 #include "core/frame/LocalFrameLifecycleObserver.h"
 #include "modules/ModulesExport.h"
 #include "modules/presentation/Presentation.h"
@@ skipping 53 matching lines @@
     // url.
     void setDefaultRequestUrl(const KURL&);
 
     // Handling of running connections.
     void registerConnection(PresentationConnection*);
 
 private:
     PresentationController(LocalFrame&, WebPresentationClient*);
 
     // Implementation of LocalFrameLifecycleObserver.
-    void willDetachFrameHost() override;
+    void contextDestroyed() override;
 
     // Return the connection associated with the given |connectionClient| or
     // null if it doesn't exist.
     PresentationConnection* findConnection(WebPresentationConnectionClient*);
 
     // The WebPresentationClient which allows communicating with the embedder.
     // It is not owned by the PresentationController but the controller will
     // set it to null when the LocalFrame will be detached at which point the
     // client can't be used.
     WebPresentationClient* m_client;
 
     // Default PresentationRequest used by the embedder.
     // Member<PresentationRequest> m_defaultRequest;
     WeakMember<Presentation> m_presentation;
 
     // The presentation connections associated with that frame.
     // TODO(mlamouri): the PresentationController will keep any created
     // connections alive until the frame is detached. These should be weak ptr
     // so that the connection can be GC'd.
     HeapHashSet<Member<PresentationConnection>> m_connections;
 };
 
 } // namespace blink
 
 #endif // PresentationController_h