headers, cookies, and params usage in my controllers

gistfile1.txt

% rake stats
+----------------------+-------+-------+---------+---------+-----+-------+
| Name                 | Lines |   LOC | Classes | Methods | M/C | LOC/M |
+----------------------+-------+-------+---------+---------+-----+-------+
| Controllers          |  4327 |  3478 |     110 |     361 |   3 |     7 |
| Helpers              |   384 |   331 |       0 |      35 |   0 |     7 |
| Models               |  2912 |  2177 |      84 |     226 |   2 |     7 |
| Libraries            |   281 |   230 |       8 |      39 |   4 |     3 |
| Model specs          |  3096 |  2663 |       0 |       0 |   0 |     0 |
| Controller specs     |  1005 |   783 |       0 |       3 |   0 |   259 |
| Helper specs         |    39 |    33 |       0 |       0 |   0 |     0 |
| Mailer specs         |    26 |    22 |       0 |       0 |   0 |     0 |
| Request specs        |  6247 |  4783 |       0 |       0 |   0 |     0 |
+----------------------+-------+-------+---------+---------+-----+-------+
| Total                | 18317 | 14500 |     202 |     664 |   3 |    19 |
+----------------------+-------+-------+---------+---------+-----+-------+

% git grep -i headers app | wc -l
       3
% git grep -i cookies app | wc -l
       2
% git grep params app/controllers | wc -l
      15