diff --git a/toolkit/components/places/src/nsNavHistoryResult.h b/toolkit/components/places/src/nsNavHistoryResult.h
index 3b672c3afae..5cef84f910a 100644
--- a/toolkit/components/places/src/nsNavHistoryResult.h
+++ b/toolkit/components/places/src/nsNavHistoryResult.h
@@ -495,6 +495,8 @@ public:
   nsresult RemoveChildAt(PRInt32 aIndex, PRBool aIsTemporary = PR_FALSE);
 
   PRBool CanRemoteContainersChange();
+  void ChangeTitles(nsIURI* aURI, const nsACString& aNewTitle,
+                    PRBool aRecursive, PRBool aOnlyOne);
 };