[wrapper-tracing] Bring remoteplayback up to date

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/ScriptState.h"
@@ skipping 47 matching lines @@
   String state() const;
 
   // ScriptWrappable implementation.
   bool hasPendingActivity() const final;
 
   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;
 
   explicit RemotePlayback(ScriptState*, HTMLMediaElement&);
 
   // Calls the specified availability callback with the current availability.
   // Need a void() method to post it as a task.
   void notifyInitialAvailability(int callbackId);
@@ skipping 14 matching lines @@
   bool m_availability;
   HeapHashMap<int, Member<RemotePlaybackAvailabilityCallback>>
       m_availabilityCallbacks;
   Member<HTMLMediaElement> m_mediaElement;
   Member<ScriptPromiseResolver> m_promptPromiseResolver;
 };
 
 }  // namespace blink
 
 #endif  // RemotePlayback_h