Add sigbjornf to bindings, dom WATCHLISTS.

R=
BUG=none
NOTRY=true

Review URL: https://codereview.chromium.org/115193002

git-svn-id: svn://svn.chromium.org/blink/trunk@163865 bbb929c8-8fbe-4397-9dbb-9b2b20218538