From 33f58425d7e280cfab308120500d2e7752f5ddbf Mon Sep 17 00:00:00 2001
From: Peter Van der Beken <peterv@propagandism.org>
Date: Mon, 7 Nov 2011 13:58:08 +0100
Subject: [PATCH] Bug 699799 - Don't AddRef/Release every uncollectable
 document before cycle collection. r=jst.

--HG--
extra : rebase_source : 4436eaaded310ff4a3927e71843f7de664b50f9d
---
 content/base/src/nsCCUncollectableMarker.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/content/base/src/nsCCUncollectableMarker.cpp b/content/base/src/nsCCUncollectableMarker.cpp
index 15a83bc1234..4aa5de8874e 100644
--- a/content/base/src/nsCCUncollectableMarker.cpp
+++ b/content/base/src/nsCCUncollectableMarker.cpp
@@ -94,9 +94,7 @@ MarkContentViewer(nsIContentViewer* aViewer)
     return;
   }
 
-  nsCOMPtr<nsIDOMDocument> domDoc;
-  aViewer->GetDOMDocument(getter_AddRefs(domDoc));
-  nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
+  nsIDocument *doc = aViewer->GetDocument();
   if (doc) {
     doc->MarkUncollectableForCCGeneration(nsCCUncollectableMarker::sGeneration);
   }