Revert 76671 - Rename "Zip Code" to "ZIP code" in Autofill preferences.
Revert 76671 - Rename "Zip Code" to "ZIP code" in Autofill preferences.

BUG=74656
TEST=none

Review URL: http://codereview.chromium.org/6588112

TBR=isherman@chromium.org
Review URL: http://codereview.chromium.org/6610003

git-svn-id: http://src.chromium.org/svn/trunk/src@76684 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8d8b116998115905f75146c0784a16485d83e0f4
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