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

Source/web/GeolocationClientProxy.h

 /*
  * Copyright (C) 2010 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:
  *
  * 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 24 matching lines @@
 class GeolocationPosition;
 class WebGeolocationClient;
 
 class GeolocationClientProxy final : public GeolocationClient {
 public:
     static PassOwnPtrWillBeRawPtr<GeolocationClientProxy> create(WebGeolocationClient* client)
     {
         return adoptPtrWillBeNoop(new GeolocationClientProxy(client));
     }
 
-    virtual ~GeolocationClientProxy();
+    ~GeolocationClientProxy() override;
     void setController(GeolocationController*);
-    virtual void startUpdating() override;
-    virtual void stopUpdating() override;
-    virtual void setEnableHighAccuracy(bool) override;
-    virtual GeolocationPosition* lastPosition() override;
+    void startUpdating() override;
+    void stopUpdating() override;
+    void setEnableHighAccuracy(bool) override;
+    GeolocationPosition* lastPosition() override;
 
-    virtual void requestPermission(Geolocation*) override;
-    virtual void cancelPermissionRequest(Geolocation*) override;
+    void requestPermission(Geolocation*) override;
+    void cancelPermissionRequest(Geolocation*) override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit GeolocationClientProxy(WebGeolocationClient*);
 
     WebGeolocationClient* m_client;
     PersistentWillBeMember<GeolocationPosition> m_lastPosition;
 };
 
 } // namespace blink
 
 #endif // GeolocationClientProxy_h