Fix privacy link and minor fixes in strings.
Fix privacy link and minor fixes in strings.

BUG=chromium-os:10180, chromium:70450, chromium:70451
TEST=Verified strings and link were changed.

Review URL: http://codereview.chromium.org/6314014

git-svn-id: http://src.chromium.org/svn/trunk/src@72455 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 25a0197fe4976c2a96bf567439ab3bd12ca6326c
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