From ab3791234ec98f948633f814b204c2e0a8423d9e Mon Sep 17 00:00:00 2001
From: Cameron McCormack <cam@mcc.id.au>
Date: Thu, 16 Jul 2020 22:04:17 +0000
Subject: [PATCH] style: Mark appearance values that are only used internally
 as chrome-only.

Differential Revision: https://phabricator.services.mozilla.com/D83432
---
 components/style/values/specified/box.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/style/values/specified/box.rs b/components/style/values/specified/box.rs
index b7def063a70..42d17b09e6b 100644
--- a/components/style/values/specified/box.rs
+++ b/components/style/values/specified/box.rs
@@ -1653,10 +1653,14 @@ pub enum Appearance {
     #[parse(condition = "ParserContext::in_ua_or_chrome_sheet")]
     ScrollbarbuttonRight,
     /// The scrollbar thumb.
+    #[parse(condition = "ParserContext::in_ua_or_chrome_sheet")]
     ScrollbarthumbHorizontal,
+    #[parse(condition = "ParserContext::in_ua_or_chrome_sheet")]
     ScrollbarthumbVertical,
     /// The scrollbar track.
+    #[parse(condition = "ParserContext::in_ua_or_chrome_sheet")]
     ScrollbartrackHorizontal,
+    #[parse(condition = "ParserContext::in_ua_or_chrome_sheet")]
     ScrollbartrackVertical,
     /// The scroll corner
     #[parse(condition = "ParserContext::in_ua_or_chrome_sheet")]