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/htmlmetaelement.rs b/components/script/dom/htmlmetaelement.rs
index bcf112cce94..e86f2c4a25a 100644
--- a/components/script/dom/htmlmetaelement.rs
+++ b/components/script/dom/htmlmetaelement.rs
@@ -8,7 +8,7 @@ use dom::bindings::codegen::Bindings::HTMLMetaElementBinding;
 use dom::bindings::codegen::Bindings::HTMLMetaElementBinding::HTMLMetaElementMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{JS, MutNullableHeap, Root, RootedReference};
+use dom::bindings::js::{MutNullableJS, Root, RootedReference};
 use dom::bindings::str::DOMString;
 use dom::cssstylesheet::CSSStyleSheet;
 use dom::document::Document;
@@ -32,7 +32,7 @@ pub struct HTMLMetaElement {
     htmlelement: HTMLElement,
     #[ignore_heap_size_of = "Arc"]
     stylesheet: DOMRefCell<Option<Arc<Stylesheet>>>,
-    cssom_stylesheet: MutNullableHeap<JS<CSSStyleSheet>>,
+    cssom_stylesheet: MutNullableJS<CSSStyleSheet>,
 }
 
 impl HTMLMetaElement {
@@ -42,7 +42,7 @@ impl HTMLMetaElement {
         HTMLMetaElement {
             htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
             stylesheet: DOMRefCell::new(None),
-            cssom_stylesheet: MutNullableHeap::new(None),
+            cssom_stylesheet: MutNullableJS::new(None),
         }
     }