Update WATCHLISTS for cast, tab_capture, and tab_media_indicators.

NOTRY=true
[email protected]

Review URL: https://codereview.chromium.org/467423002

Cr-Commit-Position: refs/heads/master@{#289380}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289380 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed