Bug 859817 - Introduce already_AddRefed.downcast(); r=ehsan

2013-04-21 14:56:06 +03:00
parent 613439817d
commit 563acc033a
7 changed files with 34 additions and 9 deletions
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -2760,7 +2760,7 @@ already_AddRefed<nsDocShell>
 nsDocShell::GetParentDocshell()
 {
    nsCOMPtr<nsIDocShell> docshell = do_QueryInterface(GetAsSupports(mParent));
-    return static_cast<nsDocShell*>(docshell.forget().get());
+    return docshell.forget().downcast<nsDocShell>();
 }

 nsresult