From 52db71c0bf6d6e5bb65273b9add31a19f7658ed2 Mon Sep 17 00:00:00 2001
From: Hiroyuki Ikezoe <hikezoe@mozilla.com>
Date: Tue, 26 Feb 2019 10:17:25 +0000
Subject: [PATCH] style: Explicitly specify animation_value_type for
 scroll-padding.

Otherwise the Trait for clamping negative animation value isn't generated thus
negative animating results are exposed in computed values.

Differential Revision: https://phabricator.services.mozilla.com/D21153
---
 components/style/properties/longhands/padding.mako.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/style/properties/longhands/padding.mako.rs b/components/style/properties/longhands/padding.mako.rs
index 6c4e2b32cf9..a1262aee0fc 100644
--- a/components/style/properties/longhands/padding.mako.rs
+++ b/components/style/properties/longhands/padding.mako.rs
@@ -39,6 +39,6 @@
         logical=side[1],
         logical_group="scroll-padding",
         spec="https://drafts.csswg.org/css-scroll-snap-1/#propdef-scroll-padding-%s" % side[0],
-        animation_value_type="ComputedValue",
+        animation_value_type="NonNegativeLengthPercentageOrAuto",
     )}
 % endfor