Auto merge of #15411 - canaltinova:property-declaration, r=SimonSapin

Box larger specified values to avoid memmove impact

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Box larger specified values to avoid memmove impact.

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #15322 (github issue number if applicable).

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- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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1 files changed, 5 insertions, 5 deletions

diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index cf770674e74..cf4373fbeb6 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -407,7 +407,7 @@ impl LayoutElementHelpers for LayoutJS<Element> {
         if let Some(color) = bgcolor {
             hints.push(from_declaration(
                 PropertyDeclaration::BackgroundColor(DeclaredValue::Value(
-                    CSSColor { parsed: Color::RGBA(color), authored: None }))));
+                    Box::new(CSSColor { parsed: Color::RGBA(color), authored: None })))));
         }
 
         let background = if let Some(this) = self.downcast::<HTMLBodyElement>() {
@@ -440,10 +440,10 @@ impl LayoutElementHelpers for LayoutJS<Element> {
 
         if let Some(color) = color {
             hints.push(from_declaration(
-                PropertyDeclaration::Color(DeclaredValue::Value(CSSRGBA {
+                PropertyDeclaration::Color(DeclaredValue::Value(Box::new(CSSRGBA {
                     parsed: color,
                     authored: None,
-                }))));
+                })))));
         }
 
         let font_family = if let Some(this) = self.downcast::<HTMLFontElement>() {
@@ -480,10 +480,10 @@ impl LayoutElementHelpers for LayoutJS<Element> {
             let width_value = specified::Length::from_px(cellspacing as f32);
             hints.push(from_declaration(
                 PropertyDeclaration::BorderSpacing(DeclaredValue::Value(
-                    border_spacing::SpecifiedValue {
+                    Box::new(border_spacing::SpecifiedValue {
                         horizontal: width_value.clone(),
                         vertical: width_value,
-                    }))));
+                    })))));
         }