From 172aa226cc2f956c0ca45abc3cd7c03681141316 Mon Sep 17 00:00:00 2001
From: Ms2ger <Ms2ger@gmail.com>
Date: Mon, 13 Jun 2016 12:29:14 +0100
Subject: [PATCH] Use Ref/RefMut::map rather than transmute for
 ServoLayoutNode.

---
 components/layout/wrapper.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/layout/wrapper.rs b/components/layout/wrapper.rs
index b6c5266c2cb..303c9f76943 100644
--- a/components/layout/wrapper.rs
+++ b/components/layout/wrapper.rs
@@ -233,11 +233,11 @@ impl<'ln> TNode for ServoLayoutNode<'ln> {
     }
 
     fn borrow_data(&self) -> Option<Ref<PrivateStyleData>> {
-        unsafe { self.borrow_layout_data().map(|d| transmute(d)) }
+        self.borrow_layout_data().map(|d| Ref::map(d, |d| &d.style_data))
     }
 
     fn mutate_data(&self) -> Option<RefMut<PrivateStyleData>> {
-        unsafe { self.mutate_layout_data().map(|d| transmute(d)) }
+        self.mutate_layout_data().map(|d| RefMut::map(d, |d| &mut d.style_data))
     }
 
     fn restyle_damage(self) -> RestyleDamage {