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

Source/modules/device_orientation/DeviceOrientationEvent.h

 /*
  * Copyright 2010, The Android Open Source Project
  *
  * 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 copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 19 matching lines @@
 #include "modules/EventModules.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class DeviceOrientationData;
 
 class DeviceOrientationEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    virtual ~DeviceOrientationEvent();
+    ~DeviceOrientationEvent() override;
     static PassRefPtrWillBeRawPtr<DeviceOrientationEvent> create()
     {
         return adoptRefWillBeNoop(new DeviceOrientationEvent);
     }
     static PassRefPtrWillBeRawPtr<DeviceOrientationEvent> create(const AtomicString& eventType, DeviceOrientationData* orientation)
     {
         return adoptRefWillBeNoop(new DeviceOrientationEvent(eventType, orientation));
     }
 
     void initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, const Nullable<double>& alpha, const Nullable<double>& beta, const Nullable<double>& gamma, const Nullable<bool>& absolute);
 
     DeviceOrientationData* orientation() const { return m_orientation.get(); }
 
     double alpha(bool& isNull) const;
     double beta(bool& isNull) const;
     double gamma(bool& isNull) const;
     bool absolute(bool& isNull) const;
 
-    virtual const AtomicString& interfaceName() const override;
+    const AtomicString& interfaceName() const override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     DeviceOrientationEvent();
     DeviceOrientationEvent(const AtomicString& eventType, DeviceOrientationData*);
 
     PersistentWillBeMember<DeviceOrientationData> m_orientation;
 };
 
 DEFINE_TYPE_CASTS(DeviceOrientationEvent, Event, event, event->interfaceName() == EventNames::DeviceOrientationEvent, event.interfaceName() == EventNames::DeviceOrientationEvent);
 
 } // namespace blink
 
 #endif // DeviceOrientationEvent_h