Remove HeapGCValue

It could be used to have mutable JSVal fields without GC barriers.
With the removal of that trait, MutHeap and MutNullableHeap can respectively
be replaced by MutJS and MutNullableJS.

1 files changed, 3 insertions, 3 deletions

diff --git a/components/script/dom/htmlstyleelement.rs b/components/script/dom/htmlstyleelement.rs
index 5a61d6f5b3a..8576a282052 100644
--- a/components/script/dom/htmlstyleelement.rs
+++ b/components/script/dom/htmlstyleelement.rs
@@ -8,7 +8,7 @@ use dom::bindings::codegen::Bindings::HTMLStyleElementBinding;
 use dom::bindings::codegen::Bindings::HTMLStyleElementBinding::HTMLStyleElementMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{JS, MutNullableHeap, Root};
+use dom::bindings::js::{MutNullableJS, Root};
 use dom::bindings::str::DOMString;
 use dom::cssstylesheet::CSSStyleSheet;
 use dom::document::Document;
@@ -29,7 +29,7 @@ pub struct HTMLStyleElement {
     htmlelement: HTMLElement,
     #[ignore_heap_size_of = "Arc"]
     stylesheet: DOMRefCell<Option<Arc<Stylesheet>>>,
-    cssom_stylesheet: MutNullableHeap<JS<CSSStyleSheet>>,
+    cssom_stylesheet: MutNullableJS<CSSStyleSheet>,
 }
 
 impl HTMLStyleElement {
@@ -39,7 +39,7 @@ impl HTMLStyleElement {
         HTMLStyleElement {
             htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
             stylesheet: DOMRefCell::new(None),
-            cssom_stylesheet: MutNullableHeap::new(None),
+            cssom_stylesheet: MutNullableJS::new(None),
         }
     }