Add ContentSecurityPolicy WATCHLISTS rules.
Add ContentSecurityPolicy WATCHLISTS rules.

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/13567005

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@147594 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