[webkit-reviews] review requested: [Bug 69303] watchlist: Don't add the same message to a bug more than once. : [Attachment 109573] Patch

[bugzilla-daemon at webkit.org]

David Levin <levin at chromium.org> has asked  for review:
Bug 69303: watchlist: Don't add the same message to a bug more than once.
https://bugs.webkit.org/show_bug.cgi?id=69303

Attachment 109573: Patch
https://bugs.webkit.org/attachment.cgi?id=109573&action=review