Undo the changes made to imports test that sets an environment variable BUG=52124
Undo the changes made to imports test that sets an environment variable BUG=52124

This change set an environment variable necessary for passwords to be imported on Mac, but it caused an error with the sandbox on Snow Leopard machines.

Review URL: http://codereview.chromium.org/3294003

git-svn-id: http://src.chromium.org/svn/trunk/src@58199 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 91b7f17cce0dc910342194b65d799a7a3cc9404b
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