From ea618751908b05658f30a4dc37ed4a192900690b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fernando=20Jim=C3=A9nez?= <ferjmoreno@gmail.com>
Date: Wed, 25 Sep 2013 21:08:04 +0200
Subject: [PATCH] Bug 919429 - [Message manager] We must not force weak
 listeners to implement Ci.nsIMessageListener. r=smaug

---
 content/base/src/nsFrameMessageManager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/base/src/nsFrameMessageManager.cpp b/content/base/src/nsFrameMessageManager.cpp
index 36ee6d4a9098..f5d787620886 100644
--- a/content/base/src/nsFrameMessageManager.cpp
+++ b/content/base/src/nsFrameMessageManager.cpp
@@ -757,7 +757,7 @@ nsFrameMessageManager::ReceiveMessage(nsISupports* aTarget,
 
     for (uint32_t i = 0; i < mListeners.Length(); ++i) {
       // Remove mListeners[i] if it's an expired weak listener.
-      nsCOMPtr<nsIMessageListener> weakListener;
+      nsCOMPtr<nsISupports> weakListener;
       if (mListeners[i].mWeakListener) {
         weakListener = do_QueryReferent(mListeners[i].mWeakListener);
         if (!weakListener) {