Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/modules/mediasource/SourceBuffer.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 87 matching lines @@
 
   void removedFromMediaSource();
   double highestPresentationTimestamp();
 
   // ScriptWrappable
   bool hasPendingActivity() const final;
 
   // SuspendableObject
   void suspend() override;
   void resume() override;
-  void contextDestroyed() override;
+  void contextDestroyed(ExecutionContext*) override;
 
   // EventTarget interface
   ExecutionContext* getExecutionContext() const override;
   const AtomicString& interfaceName() const override;
 
   // WebSourceBufferClient interface
   bool initializationSegmentReceived(const WebVector<MediaTrackInfo>&) override;
 
   DECLARE_VIRTUAL_TRACE();
 
@@ skipping 47 matching lines @@
   Member<AsyncMethodRunner<SourceBuffer>> m_appendBufferAsyncPartRunner;
 
   double m_pendingRemoveStart;
   double m_pendingRemoveEnd;
   Member<AsyncMethodRunner<SourceBuffer>> m_removeAsyncPartRunner;
 };
 
 }  // namespace blink
 
 #endif  // SourceBuffer_h