Auto merge of #29772 - Loirooriol:sync, r=mrobinson

Backport several style changes from Gecko (2)

<!-- Please describe your changes on the following line: -->
This continues #29748.

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

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

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2 files changed, 9 insertions, 13 deletions

diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index d8b80df754a..1ceec50281d 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -733,9 +733,9 @@ impl<'dom> LayoutElementHelpers<'dom> for LayoutDom<'dom, Element> {
             hints.push(from_declaration(
                 shared_lock,
                 PropertyDeclaration::FontFamily(font_family::SpecifiedValue::Values(
-                    computed::font::FontFamilyList::new(Box::new([
-                        computed::font::SingleFontFamily::from_atom(font_family),
-                    ])),
+                    computed::font::FontFamilyList {
+                        list: Box::new([computed::font::SingleFontFamily::from_atom(font_family)]),
+                    },
                 )),
             ));
         }
diff --git a/components/script/dom/htmlmetaelement.rs b/components/script/dom/htmlmetaelement.rs
index f91e4339f1d..168c29cdb0b 100644
--- a/components/script/dom/htmlmetaelement.rs
+++ b/components/script/dom/htmlmetaelement.rs
@@ -21,7 +21,6 @@ use crate::dom::node::{
 use crate::dom::virtualmethods::VirtualMethods;
 use dom_struct::dom_struct;
 use html5ever::{LocalName, Prefix};
-use parking_lot::RwLock;
 use servo_arc::Arc;
 use servo_config::pref;
 use std::sync::atomic::AtomicBool;
@@ -112,15 +111,12 @@ impl HTMLMetaElement {
                     let shared_lock = document.style_shared_lock();
                     let rule = CssRule::Viewport(Arc::new(shared_lock.wrap(translated_rule)));
                     let sheet = Arc::new(Stylesheet {
-                        contents: StylesheetContents {
-                            rules: CssRules::new(vec![rule], shared_lock),
-                            origin: Origin::Author,
-                            namespaces: Default::default(),
-                            quirks_mode: document.quirks_mode(),
-                            url_data: RwLock::new(window_from_node(self).get_url()),
-                            source_map_url: RwLock::new(None),
-                            source_url: RwLock::new(None),
-                        },
+                        contents: StylesheetContents::from_shared_data(
+                            CssRules::new(vec![rule], shared_lock),
+                            Origin::Author,
+                            window_from_node(self).get_url(),
+                            document.quirks_mode(),
+                        ),
                         media: Arc::new(shared_lock.wrap(MediaList::empty())),
                         shared_lock: shared_lock.clone(),
                         disabled: AtomicBool::new(false),