From ad0ffac81b1b8532f2f05a8ae659d3ade288d33d Mon Sep 17 00:00:00 2001
From: Glenn Watson <gw@intuitionlibrary.com>
Date: Thu, 19 Mar 2015 11:58:36 +1000
Subject: [PATCH] Fix hit testing with stacking contexts (apparent since
 transforms landed).

---
 components/gfx/display_list/mod.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/gfx/display_list/mod.rs b/components/gfx/display_list/mod.rs
index c8da46bee58..d5adac26395 100644
--- a/components/gfx/display_list/mod.rs
+++ b/components/gfx/display_list/mod.rs
@@ -469,6 +469,9 @@ impl StackingContext {
             }
         }
 
+        // Convert the point into stacking context local space
+        point = point - self.bounds.origin;
+
         debug_assert!(!topmost_only || result.is_empty());
         let frac_point = self.transform.transform_point(&Point2D(point.x.to_frac32_px(),
                                                                  point.y.to_frac32_px()));