From 25587a5ae039dc8a1f57a441195b0b93dc8a3475 Mon Sep 17 00:00:00 2001
From: Phil Crosby
Date: Mon, 9 May 2016 00:24:34 -0700
Subject: Add a comment

---
 background_scripts/main.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'background_scripts/main.coffee')

diff --git a/background_scripts/main.coffee b/background_scripts/main.coffee
index 76fbcd96..929d5537 100644
--- a/background_scripts/main.coffee
+++ b/background_scripts/main.coffee
@@ -303,7 +303,7 @@ Frames =
   unregisterFrame: ({tabId, frameId}) ->
     # FrameId 0 is the top/main frame.  We never unregister that frame.  If the tab is closing, then we tidy
     # up elsewhere.  If the tab is navigating to a new page, then a new top frame will be along soon.
-    # This mitigates against the unregister and register messages arriving in the "wrong" order.
+    # This mitigates against the unregister and register messages arriving out of order. See #2125.
     if 0 < frameId
       if tabId of frameIdsForTab
         frameIdsForTab[tabId] = (fId for fId in frameIdsForTab[tabId] when fId != frameId)
-- 
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