Add compositing WATCHLIST
Add compositing WATCHLIST

TBR=vollick@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/189663002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@168690 bbb929c8-8fbe-4397-9dbb-9b2b20218538

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk