Simplifies ThreadWithParam.
Simplifies ThreadWithParam.

gclone/googletest,goby/googletest,old8xp/googletest-from-google,dpull/googletest,Perfexion/googletest,osamu0329nakamura/googletest,gclone/googletest,BeeswaxIO/googletest,goby/googletest,BeeswaxIO/googletest,old8xp/googletest-from-google,Perfexion/googletest,dpull/googletest,dpull/googletest,old8xp/googletest-from-google,goby/googletest,gclone/googletest,BeeswaxIO/googletest,Perfexion/googletest,osamu0329nakamura/googletest,osamu0329nakamura/googletest