gtk: Use 'Preferences' instead of 'Options' in wrench menu.
gtk: Use 'Preferences' instead of 'Options' in wrench menu.

BUG=17870
TEST=launch chrome, open the wrench menu, see if the 'Preferences' menu is in
there instead of the 'Options' menu.

Review URL: http://codereview.chromium.org/3060050

git-svn-id: http://src.chromium.org/svn/trunk/src@56148 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b0fe5102dded40b691c5a4037602b2e9a4257fee
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