+ // The |external_cc_result| string can specify the result of connetion checks
+ // for various google properties, and MergeSession will set cookies on those
+ // properties too if appropriate. See StartGetCheckConnectionInfo() for
+ // details. The string is a comma separated list of token/result pairs, where
+ // token and result are separated by a colon. This string may be empty, in
+ // which case no specific handling is performed.
+ //