From 06c8e0163e665d86d2c43a92047396e9b26cc8c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Sat, 9 Sep 2017 13:07:12 +0200
Subject: [PATCH] style: Manually expand ComputedValueAsSpecified in the
 keyword macros.

---
 components/style/macros.rs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/components/style/macros.rs b/components/style/macros.rs
index 79dafc6e050..4edcf3f7d08 100644
--- a/components/style/macros.rs
+++ b/components/style/macros.rs
@@ -58,7 +58,7 @@ macro_rules! define_numbered_css_keyword_enum {
     }
 }
 
-/// A macro for implementing `ComputedValueAsSpecified`, and `Parse` traits for
+/// A macro for implementing `ToComputedValue`, and `Parse` traits for
 /// the enums defined using `define_css_keyword_enum` macro.
 ///
 /// NOTE: We should either move `Parse` trait to `style_traits`
@@ -76,7 +76,17 @@ macro_rules! add_impls_for_keyword_enum {
             }
         }
 
-        impl $crate::values::computed::ComputedValueAsSpecified for $name {}
+        impl $crate::values::computed::ToComputedValue for $name {
+            type ComputedValue = $name;
+
+            fn to_computed_value(&self, _: &$crate::values::computed::Context) -> Self {
+                self.clone()
+            }
+
+            fn from_computed_value(other: &Self) -> Self {
+                other.clone()
+            }
+        }
     };
 }