CHROMEG_VIRTUAL_CALLBACK_3   50 chrome/browser/ui/libgtk2ui/gtk2_signal.h   CHROMEG_VIRTUAL_CALLBACK_3(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2,   \
CHROMEG_VIRTUAL_CALLBACK_3   50 ui/base/gtk/gtk_signal.h   CHROMEG_VIRTUAL_CALLBACK_3(CLASS, RETURN, METHOD, GtkWidget*, ARG1, ARG2,   \