SWITCH_PROFILE_GUEST  217 chrome/browser/profiles/profile_window.cc   ProfileMetrics::LogProfileSwitchUser(ProfileMetrics::SWITCH_PROFILE_GUEST);
SWITCH_PROFILE_GUEST  289 chrome/browser/ui/webui/signin/user_manager_screen_handler.cc   ProfileMetrics::LogProfileSwitchUser(ProfileMetrics::SWITCH_PROFILE_GUEST);