Extend the WATCHLIST set for notifications

WATCHLISTS

Index: WATCHLISTS
diff --git a/WATCHLISTS b/WATCHLISTS
index d0e6b3708959132cdecaf013e16f2e733215d4c2..50bc420ed6fda0626cc010f763e42743f0915c2b 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -516,6 +516,13 @@
     'notifications': {
       'filepath': 'chrome/browser/extensions/api/notifications/|' \
         'chrome/browser/notifications/|' \
+        'chrome/test/data/notifications/|' \
+        'content/browser/notifications/|' \
+        'content/child/notifications/|' \
+        'content/common/platform_notification|' \
+        'content/public/browser/platform_notification|' \
+        'content/public/common/platform_notification|' \
+        'content/renderer/notification_|' \
         'ui/message_center/'
     },
     'npapi_headers': {