Simplify caret-color conversion.

components/style/gecko_bindings/sugar/style_complex_color.rs

@@ -6,7 +6,7 @@
 
 use gecko::values::{convert_nscolor_to_rgba, convert_rgba_to_nscolor};
 use gecko_bindings::structs::{nscolor, StyleComplexColor};
-use values;
+use values::{Auto, Either};
 use values::computed::Color as ComputedColor;
 
 impl From<nscolor> for StyleComplexColor {
@@ -49,18 +49,6 @@ impl From<ComputedColor> for StyleComplexColor {
     }
 }
 
-impl From<StyleComplexColor> for values::computed::ColorOrAuto {
-    fn from(color: StyleComplexColor) -> Self {
-        use values::{Auto, Either};
-
-        if color.mIsAuto {
-            return Either::Second(Auto);
-        }
-
-        Either::First(color.into())
-    }
-}
-
 impl From<StyleComplexColor> for ComputedColor {
     fn from(other: StyleComplexColor) -> Self {
         debug_assert!(!other.mIsAuto);
@@ -70,3 +58,22 @@ impl From<StyleComplexColor> for ComputedColor {
         }
     }
 }
+
+impl From<Either<ComputedColor, Auto>> for StyleComplexColor {
+    fn from(other: Either<ComputedColor, Auto>) -> Self {
+        match other {
+            Either::First(color) => color.into(),
+            Either::Second(_auto) => StyleComplexColor::auto(),
+        }
+    }
+}
+
+impl From<StyleComplexColor> for Either<ComputedColor, Auto> {
+    fn from(other: StyleComplexColor) -> Self {
+        if !other.mIsAuto {
+            Either::First(other.into())
+        } else {
+            Either::Second(Auto)
+        }
+    }
+}

components/style/properties/gecko.mako.rs

@@ -42,7 +42,7 @@ use gecko_bindings::bindings::Gecko_SetNullImageValue;
 use gecko_bindings::bindings::ServoComputedValuesBorrowedOrNull;
 use gecko_bindings::bindings::{Gecko_ResetFilters, Gecko_CopyFiltersFrom};
 use gecko_bindings::bindings::RawGeckoPresContextBorrowed;
-use gecko_bindings::structs::{self, StyleComplexColor};
+use gecko_bindings::structs;
 use gecko_bindings::structs::nsCSSPropertyID;
 use gecko_bindings::structs::nsStyleVariables;
 use gecko_bindings::sugar::ns_style_coord::{CoordDataValue, CoordData, CoordDataMut};
@@ -4259,25 +4259,7 @@ clip-path
         }
     }
 
-    pub fn set_caret_color(&mut self, v: longhands::caret_color::computed_value::T){
-        use values::Either;
-
-        match v {
-            Either::First(color) => {
-                self.gecko.mCaretColor = StyleComplexColor::from(color);
-            }
-            Either::Second(_auto) => {
-                self.gecko.mCaretColor = StyleComplexColor::auto();
-            }
-        }
-    }
-
-    pub fn copy_caret_color_from(&mut self, other: &Self){
-        self.gecko.mCaretColor = other.gecko.mCaretColor;
-    }
-
-    <%call expr="impl_color_clone('caret_color', 'mCaretColor')"></%call>
-
+    <%call expr="impl_color('caret_color', 'mCaretColor', need_clone=True)"></%call>
 </%self:impl_trait>
 
 <%self:impl_trait style_struct_name="Column"