s/resize/erase/ in URL encoding
s/resize/erase/ in URL encoding

* string::erase() is slightly faster than string::resize() when it's
  used to shrink the string.

Change-Id: Ie997641d2444da4c762196d7b5431aa0b94f758d
Signed-off-by: Kefu Chai <ef1142690fdf7c5d47bbd7e2a7a410478308cc21@mozy.com>
Reviewed-on: https://gerrit.dechocorp.com/63665
Reviewed-by: Jenkins <49695b0f9c673fd73dab0ff3f84b5ced9302cc6a@mozy.com>
Reviewed-by: Kevin Cai <c4f49ef5a44534d46de426dda18a118a2ca4debf@mozy.com>
Reviewed-by: Andrew Skowronski <96924f7a4dbe24093bb2da18f50a76703cb4a362@mozy.com>

mozy/mordor,mozy/mordor,mozy/mordor