Device robot refresh token integrity validation.

Before using the robot account refresh token stored in an enterprise
device's Local State, verify that the token is owned by the service
account id found in the device policy.

BUG=245121

Review URL: https://chromiumcodereview.appspot.com/17109006

git-svn-id: http://src.chromium.org/svn/trunk/src/chrome/browser/policy/proto@208019 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed
tree: 6c40dfa417efe75a0e3d050e836e64d8cf328034
  1. chromeos/
  2. cloud/