From bf524197163505b5d91884771568df2271588538 Mon Sep 17 00:00:00 2001
From: Xidorn Quan <me@upsuper.org>
Date: Thu, 2 Feb 2017 17:09:10 +1100
Subject: [PATCH] Reject negative value for border-image-width

---
 components/style/properties/longhand/border.mako.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/style/properties/longhand/border.mako.rs b/components/style/properties/longhand/border.mako.rs
index d0d02bc8a37..860f8e165de 100644
--- a/components/style/properties/longhand/border.mako.rs
+++ b/components/style/properties/longhand/border.mako.rs
@@ -521,12 +521,12 @@ ${helpers.single_keyword("-moz-float-edge", "content-box margin-box",
     }
 
     impl Parse for SingleSpecifiedValue {
-        fn parse(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
+        fn parse(_context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
             if input.try(|input| input.expect_ident_matching("auto")).is_ok() {
                 return Ok(SingleSpecifiedValue::Auto);
             }
 
-            if let Ok(len) = input.try(|input| LengthOrPercentage::parse(context, input)) {
+            if let Ok(len) = input.try(|input| LengthOrPercentage::parse_non_negative(input)) {
                 return Ok(SingleSpecifiedValue::LengthOrPercentage(len));
             }