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

Source/modules/geolocation/Geolocation.h

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All Rights Reserved.
  * 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:
  * 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
@@ skipping 37 matching lines @@
 class ExecutionContext;
 
 class MODULES_EXPORT Geolocation final
     : public GarbageCollectedFinalized<Geolocation>
     , public ScriptWrappable
     , public ActiveDOMObject {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Geolocation);
 public:
     static Geolocation* create(ExecutionContext*);
-    virtual ~Geolocation();
+    ~Geolocation() override;
     DECLARE_VIRTUAL_TRACE();
 
-    virtual void stop() override;
+    void stop() override;
     Document* document() const;
     LocalFrame* frame() const;
 
     // Creates a oneshot and attempts to obtain a position that meets the
     // constraints of the options.
     void getCurrentPosition(PositionCallback*, PositionErrorCallback*, const PositionOptions&);
 
     // Creates a watcher that will be notified whenever a new position is
     // available that meets the constraints of the options.
     int watchPosition(PositionCallback*, PositionErrorCallback*, const PositionOptions&);
@@ skipping 112 matching lines @@
     };
 
     Permission m_geolocationPermission;
 
     GeoNotifierSet m_requestsAwaitingCachedPosition;
 };
 
 } // namespace blink
 
 #endif // Geolocation_h