Revert 61034 - Refactor FTP unit tests.
Revert 61034 - Refactor FTP unit tests.

This is needed to write a fix for the bug below.

BUG=56734
TEST=changing tests, and only tests (net_unittests)

Review URL: http://codereview.chromium.org/3412039

TBR=phajdan.jr@chromium.org
Review URL: http://codereview.chromium.org/3537007

git-svn-id: http://src.chromium.org/svn/trunk/src@61040 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ef142773835218593750be15f50561db62887d10
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser