Fix WATCHLIST error.

https://crrev.com/0af49ad54149ee0c13b6e8b87d0c66a4b5d79c9f forgot a comma.

BUG=NONE
[email protected]

Review URL: https://codereview.chromium.org/1349933002

Cr-Commit-Position: refs/heads/master@{#349281}
diff --git a/WATCHLISTS b/WATCHLISTS
index f83dac1..a4f9999 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -924,7 +924,7 @@
     'blimp' : ['[email protected]',
                '[email protected]',
                '[email protected]',
-               '[email protected]']
+               '[email protected]'],
     'bookmarks': ['[email protected]', '[email protected]'],
     'browser_chromeos': ['[email protected]'],
     'browser_components': ['[email protected]'],