Add presubmit checks to look for BUG= and TEST= tags in change list description (Part 2 of 2).
Add presubmit checks to look for BUG= and TEST= tags in change list description (Part 2 of 2).

BUG=11287
TEST=gcl commit should fail unless BUG= & TEST= exist in change list description or --no_presubmit is used.

Review URL: http://codereview.chromium.org/115261


git-svn-id: http://src.chromium.org/svn/trunk/src@15906 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 7d71f5689aad802dc48ef6f48eb492dfa87f4241
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