Fix build by using correct UI test function - user_data_dir() instead of directly accessing member user_data_dir_.
Fix build by using correct UI test function - user_data_dir()
instead of directly accessing member user_data_dir_.

TBR=huanr

Review URL: http://codereview.chromium.org/3047008

git-svn-id: http://src.chromium.org/svn/trunk/src@53203 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6ff8a92ae691897ba1b79b2793084ab625b4b0ff
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