DevTools: Use LiveLocations to linkify CSS error locations in the console

R=vsevik, yurys@chromium.org
BUG=262012

Review URL: https://chromiumcodereview.appspot.com/19790004

git-svn-id: svn://svn.chromium.org/blink/trunk@158457 bbb929c8-8fbe-4397-9dbb-9b2b20218538