Fix virtual/override/final usage in Source/modules/.

Source/modules/encryptedmedia/MediaKeySession.h

 /*
  * Copyright (C) 2013 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 49 matching lines @@
 // The WebContentDecryptionModuleSession has the same lifetime as this object.
 class MediaKeySession final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<MediaKeySession>
     , public ActiveDOMObject
     , private WebContentDecryptionModuleSession::Client {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(MediaKeySession);
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaKeySession);
 public:
     static MediaKeySession* create(ScriptState*, MediaKeys*, WebEncryptedMediaSessionType);
-    virtual ~MediaKeySession();
+    ~MediaKeySession() override;
 
     String sessionId() const;
     double expiration() const { return m_expiration; }
     ScriptPromise closed(ScriptState*);
     MediaKeyStatusMap* keyStatuses();
 
     ScriptPromise generateRequest(ScriptState*, const String& initDataType, const DOMArrayPiece& initData);
     ScriptPromise load(ScriptState*, const String& sessionId);
 
     ScriptPromise update(ScriptState*, const DOMArrayPiece& response);
     ScriptPromise close(ScriptState*);
     ScriptPromise remove(ScriptState*);
 
     // EventTarget
-    virtual const AtomicString& interfaceName() const override;
-    virtual ExecutionContext* executionContext() const override;
+    const AtomicString& interfaceName() const override;
+    ExecutionContext* executionContext() const override;
 
     // ActiveDOMObject
-    virtual bool hasPendingActivity() const override;
-    virtual void stop() override;
+    bool hasPendingActivity() const override;
+    void stop() override;
 
     // Oilpan: eagerly release owned m_session, which in turn
     // drops the client reference back to this MediaKeySession object.
     EAGERLY_FINALIZE();
     DECLARE_VIRTUAL_TRACE();
 
 private:
     class PendingAction;
     friend class NewSessionResultPromise;
     friend class LoadSessionResultPromise;
 
     MediaKeySession(ScriptState*, MediaKeys*, WebEncryptedMediaSessionType);
 
     void actionTimerFired(Timer<MediaKeySession>*);
 
     // WebContentDecryptionModuleSession::Client
-    virtual void message(MessageType, const unsigned char* message, size_t messageLength) override;
-    virtual void close() override;
-    virtual void expirationChanged(double updatedExpiryTimeInMS) override;
-    virtual void keysStatusesChange(const WebVector<WebEncryptedMediaKeyInformation>&, bool hasAdditionalUsableKey) override;
+    void message(MessageType, const unsigned char* message, size_t messageLength) override;
+    void close() override;
+    void expirationChanged(double updatedExpiryTimeInMS) override;
+    void keysStatusesChange(const WebVector<WebEncryptedMediaKeyInformation>&, bool hasAdditionalUsableKey) override;
 
     // Called by NewSessionResult when the new session has been created.
     void finishGenerateRequest();
 
     // Called by LoadSessionResult when the session has been loaded.
     void finishLoad();
 
     OwnPtrWillBeMember<GenericEventQueue> m_asyncEventQueue;
     OwnPtr<WebContentDecryptionModuleSession> m_session;
 
@@ skipping 14 matching lines @@
     typedef ScriptPromiseProperty<Member<MediaKeySession>, ToV8UndefinedGenerator, Member<DOMException>> ClosedPromise;
     Member<ClosedPromise> m_closedPromise;
 
     HeapDeque<Member<PendingAction>> m_pendingActions;
     Timer<MediaKeySession> m_actionTimer;
 };
 
 } // namespace blink
 
 #endif // MediaKeySession_h