Remove ContextLifecycleObserver from RemotePlayback

third_party/WebKit/Source/modules/remoteplayback/RemotePlayback.h

 // Copyright 2016 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 RemotePlayback_h
 #define RemotePlayback_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/TraceWrapperMember.h"
-#include "core/dom/ContextLifecycleObserver.h"
 #include "core/events/EventTarget.h"
 #include "modules/ModulesExport.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/modules/remoteplayback/WebRemotePlaybackAvailability.h"
 #include "public/platform/modules/remoteplayback/WebRemotePlaybackClient.h"
 #include "public/platform/modules/remoteplayback/WebRemotePlaybackState.h"
 #include "wtf/Compiler.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ExecutionContext;
 class HTMLMediaElement;
 class RemotePlaybackAvailabilityCallback;
 class ScriptPromiseResolver;
 class ScriptState;
 
 class MODULES_EXPORT RemotePlayback final
     : public EventTargetWithInlineData,
       public ActiveScriptWrappable,
-      public ContextLifecycleObserver,
       NON_EXPORTED_BASE(public WebRemotePlaybackClient) {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(RemotePlayback);
 
  public:
   static RemotePlayback* create(HTMLMediaElement&);
 
   // Notifies this object that disableRemotePlayback attribute was set on the
   // corresponding media element.
   void remotePlaybackDisabled();
@@ skipping 17 matching lines @@
 
   // Shows the UI allowing user to change the remote playback state of the media
   // element (by picking a remote playback device from the list, for example).
   ScriptPromise prompt(ScriptState*);
 
   String state() const;
 
   // ScriptWrappable implementation.
   bool hasPendingActivity() const final;
 
-  void contextDestroyed() override;
-
   DEFINE_ATTRIBUTE_EVENT_LISTENER(connecting);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect);
 
   DECLARE_VIRTUAL_TRACE();
   DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
  private:
   friend class V8RemotePlayback;
   friend class RemotePlaybackTest;
@@ skipping 20 matching lines @@
   WebRemotePlaybackAvailability m_availability;
   HeapHashMap<int, TraceWrapperMember<RemotePlaybackAvailabilityCallback>>
       m_availabilityCallbacks;
   Member<HTMLMediaElement> m_mediaElement;
   Member<ScriptPromiseResolver> m_promptPromiseResolver;
 };
 
 }  // namespace blink
 
 #endif  // RemotePlayback_h