Add myself to more watchlists

Add myself to dom and css watchlists.

NOTRY=true
R=ch.dumez@samsung.com

Review URL: https://codereview.chromium.org/172663002

git-svn-id: svn://svn.chromium.org/blink/trunk@167435 bbb929c8-8fbe-4397-9dbb-9b2b20218538