1 files changed, 15 insertions, 0 deletions
diff --git a/components/script/dom/htmllinkelement.rs b/components/script/dom/htmllinkelement.rs
index 5df64f62ca0..17c9514287e 100644
--- a/components/script/dom/htmllinkelement.rs
+++ b/components/script/dom/htmllinkelement.rs
@@ -14,6 +14,7 @@ use dom::bindings::js::{JS, MutNullableHeap, Root, RootedReference};
 use dom::bindings::refcounted::Trusted;
 use dom::bindings::reflector::Reflectable;
 use dom::bindings::str::DOMString;
+use dom::cssstylesheet::CSSStyleSheet;
 use dom::document::Document;
 use dom::domtokenlist::DOMTokenList;
 use dom::element::{AttributeMutation, Element, ElementCreator};
@@ -56,6 +57,7 @@ pub struct HTMLLinkElement {
     rel_list: MutNullableHeap<JS<DOMTokenList>>,
     #[ignore_heap_size_of = "Arc"]
     stylesheet: DOMRefCell<Option<Arc<Stylesheet>>>,
+    cssom_stylesheet: MutNullableHeap<JS<CSSStyleSheet>>,
 
     /// https://html.spec.whatwg.org/multipage/#a-style-sheet-that-is-blocking-scripts
     parser_inserted: Cell<bool>,
@@ -69,6 +71,7 @@ impl HTMLLinkElement {
             rel_list: Default::default(),
             parser_inserted: Cell::new(creator == ElementCreator::ParserCreated),
             stylesheet: DOMRefCell::new(None),
+            cssom_stylesheet: MutNullableHeap::new(None),
         }
     }
 
@@ -85,6 +88,18 @@ impl HTMLLinkElement {
     pub fn get_stylesheet(&self) -> Option<Arc<Stylesheet>> {
         self.stylesheet.borrow().clone()
     }
+
+    pub fn get_cssom_stylesheet(&self) -> Option<Root<CSSStyleSheet>> {
+        self.get_stylesheet().map(|sheet| {
+            self.cssom_stylesheet.or_init(|| {
+                CSSStyleSheet::new(&window_from_node(self),
+                                   "text/css".into(),
+                                   None, // todo handle location
+                                   None, // todo handle title
+                                   sheet)
+            })
+        })
+    }
 }
 
 fn get_attr(element: &Element, local_name: &LocalName) -> Option<String> {