OnUsernameChanged 212 chrome/browser/profiles/gaia_info_update_service.cc OnUsernameChanged(username); OnUsernameChanged 216 chrome/browser/profiles/gaia_info_update_service.cc OnUsernameChanged(std::string()); OnUsernameChanged 51 chrome/browser/profiles/gaia_info_update_service.h void OnUsernameChanged(const std::string& username);