Found... This is my answer, thank you Minty
import (
"fmt"
"net/http"
"appengine"
"appengine/urlfetch"
oauth "code.google.com/p/goauth2/oauth"
drive "code.google.com/p/google-api-go-client/drive/v2"
)
...
c := appengine.NewContext(r)
transport := &oauth.Transport{
Token: &oauth.Token{
AccessToken: "YOUR_TOKEN",
},
Transport: &urlfetch.Transport{Context: c},
}
client := transport.Client()
service, err := drive.New(client)
if err != nil {
// error creating the Drive client
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
result, err2 := service.About.Get().Do()
if err2 != nil {
http.Error(w, err2.Error(), http.StatusInternalServerError)
return
}
fmt.Fprintln(w, result.Name)