NEW:support for importing models from browser to Studio on mac

Change-Id: Ia4c39b3de1705d66a00442d11bd15a61ebc349ff

src/slic3r/GUI/GUI_App.hpp

@@ -496,6 +496,7 @@ public:
     void            OSXStoreOpenFiles(const wxArrayString &files);
     // wxWidgets override to get an event on open files.
     void            MacOpenFiles(const wxArrayString &fileNames) override;
+    void            MacOpenURL(const wxString& url) override;
 #endif /* __APPLE */
 
     Sidebar&             sidebar();