linux: use minimum size rather than forcing dialog size
linux: use minimum size rather than forcing dialog size

The previous code forced a dialog size, but what we really
want is to just set the minimum size.

BUG=36723
TEST=pt_BR dialogs look ok, de_DE dialogs are still wide

Review URL: http://codereview.chromium.org/660079

git-svn-id: http://src.chromium.org/svn/trunk/src@40015 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ca9486a3a7c88640578dbd9a569d4544f63217ad
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