OnUpdatePreview   600 chrome/browser/ui/libgtk2ui/select_file_dialog_impl_gtk2.cc void SelectFileDialogImplGTK::OnUpdatePreview(GtkWidget* chooser) {
OnUpdatePreview   570 ui/shell_dialogs/gtk/select_file_dialog_impl_gtk.cc void SelectFileDialogImplGTK::OnUpdatePreview(GtkWidget* chooser) {