From d37b5c3553a71fe0b54e732284694bee204ae3b5 Mon Sep 17 00:00:00 2001
From: Mantaroh Yoshinaga <mantaroh@gmail.com>
Date: Mon, 4 Sep 2017 16:11:40 +0900
Subject: [PATCH] Don't allow interpolating SVGPaintKind::None.

PR #18103 disallowed interpolation between fill:none and fill:none, but that change was regressed by the refactoring in PR #18239.
This patch restores the intended behavior, disabling animation of SVGPaintKind::None.
---
 components/style/values/generics/svg.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/style/values/generics/svg.rs b/components/style/values/generics/svg.rs
index 9b0f19ae4bc..2d743100dc1 100644
--- a/components/style/values/generics/svg.rs
+++ b/components/style/values/generics/svg.rs
@@ -35,6 +35,7 @@ pub struct SVGPaint<ColorType, UrlPaintServer> {
 #[derive(ToAnimatedValue, ToAnimatedZero, ToComputedValue, ToCss)]
 pub enum SVGPaintKind<ColorType, UrlPaintServer> {
     /// `none`
+    #[animation(error)]
     None,
     /// `<color>`
     Color(ColorType),