Polish the about:conflicts page.
Polish the about:conflicts page.

Address review comments from Nico and add a separating line as
requested by Glen.

BUG=51105
TEST=None

Review URL: http://codereview.chromium.org/5640001

git-svn-id: http://src.chromium.org/svn/trunk/src@68346 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 63c6e77060d15613ab30698e5c7b72e11bec1157
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