Update more modules/ classes to use OVERRIDE / FINAL when needed

Source/modules/geolocation/GeolocationController.h

Index: Source/modules/geolocation/GeolocationController.h
diff --git a/Source/modules/geolocation/GeolocationController.h b/Source/modules/geolocation/GeolocationController.h
index ad3ccdd82be4158ab44499792dc7ddc5e50d6da9..ce22bef39024aa3bd80ce8f3d2a336ecc9c6da31 100644
--- a/Source/modules/geolocation/GeolocationController.h
+++ b/Source/modules/geolocation/GeolocationController.h
@@ -43,7 +43,7 @@ class Page;
 class GeolocationController FINAL : public Supplement<Page>, public PageLifecycleObserver {
     WTF_MAKE_NONCOPYABLE(GeolocationController);
 public:
-    ~GeolocationController();
+    virtual ~GeolocationController();
 
     static PassOwnPtr<GeolocationController> create(Page*, GeolocationClient*);