CHROMEGTK_CALLBACK_2   20 chrome/browser/ui/libgtk2ui/gtk2_signal.h #define CHROMEGTK_CALLBACK_2(CLASS, RETURN, METHOD, ARG1, ARG2) \
CHROMEGTK_CALLBACK_2   20 ui/base/gtk/gtk_signal.h #define CHROMEGTK_CALLBACK_2(CLASS, RETURN, METHOD, ARG1, ARG2) \