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

Source/web/GeolocationClientProxy.h

Index: Source/web/GeolocationClientProxy.h
diff --git a/Source/web/GeolocationClientProxy.h b/Source/web/GeolocationClientProxy.h
index 62834d3bc0459b975da6eb65f0b6310455009582..1089d6f254f5052a825b4670932e0582ff128dbe 100644
--- a/Source/web/GeolocationClientProxy.h
+++ b/Source/web/GeolocationClientProxy.h
@@ -42,15 +42,15 @@ public:
         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();