This function added a totally unused error path, since the only call
site is for App Engine, which cannot produce an error.
Change-Id: I86277ab4ff96e7bd140c53c5a114a338716668e3
Reviewed-on: https://go-review.googlesource.com/85935
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Creates a new package called clientcredentials and
adds transport and token information to the internal
package. Also modifies the oauth2 package to make
use of the newly added files in the internal package.
The clientcredentials package allows for token requests
using a "client credentials" grant type.
Fixes https://github.com/golang/oauth2/issues/7
Change-Id: Iec649d1029870c27a2d1023baa9d52db42ff45e8
Reviewed-on: https://go-review.googlesource.com/2983
Reviewed-by: Burcu Dogan <jbd@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>