modules/javafx.web/src/main/java/com/sun/webkit/UIClient.java

*** 49,57 ****
      public void startDrag(
              WCImage frame,
              int imageOffsetX, int imageOffsetY,
              int eventPosX, int eventPosY,
              String[] mimeTypes, Object[] values,
!             boolean isImageSource);
      public void confirmStartDrag();
      public boolean isDragConfirmed();
  }
--- 49,57 ----
      public void startDrag(
              WCImage frame,
              int imageOffsetX, int imageOffsetY,
              int eventPosX, int eventPosY,
              String[] mimeTypes, Object[] values,
!             boolean isImageSource, String imageFileExt);
      public void confirmStartDrag();
      public boolean isDragConfirmed();
  }