--- old/modules/javafx.web/src/main/native/Source/WebCore/platform/java/DragClientJava.h	2017-10-17 14:02:09.021653426 +0530
+++ new/modules/javafx.web/src/main/native/Source/WebCore/platform/java/DragClientJava.h	2017-10-17 14:02:08.289287424 +0530
@@ -34,8 +34,10 @@
     void startDrag(DragImage, const IntPoint& dragImageOrigin, const IntPoint& eventPos, const FloatPoint& dragImageAnchor, DataTransfer&, Frame&, DragSourceAction) override;
 
     void dragControllerDestroyed() override;
+    void updateFileExtension(const URL&) override;
 private:
     JGObject m_webPage;
+    String m_fileExt;
 };
 
 } // namespace WebCore