Set the default action of the import data dialog to "Import" and focus the button.
Set the default action of the import data dialog to "Import" and
focus the button.

BUG=19627

Review URL: http://codereview.chromium.org/259028

git-svn-id: http://src.chromium.org/svn/trunk/src@27916 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: f6a72531ec7d475647326582fd85273a9e9408ce
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