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/cssgroupingrule.rs b/components/script/dom/cssgroupingrule.rs
index e8651c551d3..64b47142892 100644
--- a/components/script/dom/cssgroupingrule.rs
+++ b/components/script/dom/cssgroupingrule.rs
@@ -6,7 +6,7 @@ use dom::bindings::codegen::Bindings::CSSGroupingRuleBinding;
 use dom::bindings::codegen::Bindings::CSSGroupingRuleBinding::CSSGroupingRuleMethods;
 use dom::bindings::error::{ErrorResult, Fallible};
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{JS, MutNullableHeap, Root};
+use dom::bindings::js::{MutNullableJS, Root};
 use dom::bindings::reflector::{DomObject, reflect_dom_object};
 use dom::bindings::str::DOMString;
 use dom::cssrule::CSSRule;
@@ -22,7 +22,7 @@ pub struct CSSGroupingRule {
     cssrule: CSSRule,
     #[ignore_heap_size_of = "Arc"]
     rules: Arc<RwLock<StyleCssRules>>,
-    rulelist: MutNullableHeap<JS<CSSRuleList>>,
+    rulelist: MutNullableJS<CSSRuleList>,
 }
 
 impl CSSGroupingRule {
@@ -31,7 +31,7 @@ impl CSSGroupingRule {
         CSSGroupingRule {
             cssrule: CSSRule::new_inherited(parent_stylesheet),
             rules: rules,
-            rulelist: MutNullableHeap::new(None),
+            rulelist: MutNullableJS::new(None),
         }
     }