Creating download directory on chromeos when its registered as the default download directory.
Creating download directory on chromeos when its registered as the default download directory.

BUG=4994
TEST=none
Review URL: http://codereview.chromium.org/3043024

git-svn-id: http://src.chromium.org/svn/trunk/src@53821 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 4b1c3c16fd0bfd53507724200fc94cd937e8964d
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