Have LayoutObject::decoratedName() decorate for multicol spanners.

R=dsinclair@chromium.org

Review URL: https://codereview.chromium.org/1171673002

git-svn-id: svn://svn.chromium.org/blink/trunk@196763 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed