NTP_SIGN_IN_PROMO_CLICKED 146 chrome/browser/ui/webui/ntp/ntp_login_handler.cc RecordInHistogram(NTP_SIGN_IN_PROMO_CLICKED); NTP_SIGN_IN_PROMO_CLICKED 175 chrome/browser/ui/webui/ntp/ntp_login_handler.cc type > NTP_SIGN_IN_PROMO_CLICKED) {