From b19e31942e9a37a0d0ee99ff3abf60a4ba4e1906 Mon Sep 17 00:00:00 2001
From: Bruno de Oliveira Abinader <bruno.d@partner.samsung.com>
Date: Thu, 6 Feb 2014 15:48:36 -0400
Subject: [PATCH] Provide AbstractDocument::from_node(node: AbstractNode)

TSIA.
---
 src/components/script/dom/document.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/components/script/dom/document.rs b/src/components/script/dom/document.rs
index 84343959866..ee46e4fdc44 100644
--- a/src/components/script/dom/document.rs
+++ b/src/components/script/dom/document.rs
@@ -75,6 +75,15 @@ impl AbstractDocument {
             document: ptr as *mut Box<Document>
         }
     }
+
+    pub fn from_node(node: AbstractNode) -> AbstractDocument {
+        if !node.is_document() {
+            fail!("node is not a document");
+        }
+        unsafe {
+            cast::transmute(node)
+        }
+    }
 }
 
 #[deriving(Eq)]