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/csskeyframesrule.rs b/components/script/dom/csskeyframesrule.rs
index 46ed79435c1..3ddaa5c5b61 100644
--- a/components/script/dom/csskeyframesrule.rs
+++ b/components/script/dom/csskeyframesrule.rs
@@ -6,7 +6,7 @@ use cssparser::Parser;
 use dom::bindings::codegen::Bindings::CSSKeyframesRuleBinding;
 use dom::bindings::codegen::Bindings::CSSKeyframesRuleBinding::CSSKeyframesRuleMethods;
 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::csskeyframerule::CSSKeyframeRule;
@@ -26,7 +26,7 @@ pub struct CSSKeyframesRule {
     cssrule: CSSRule,
     #[ignore_heap_size_of = "Arc"]
     keyframesrule: Arc<RwLock<KeyframesRule>>,
-    rulelist: MutNullableHeap<JS<CSSRuleList>>,
+    rulelist: MutNullableJS<CSSRuleList>,
 }
 
 impl CSSKeyframesRule {
@@ -35,7 +35,7 @@ impl CSSKeyframesRule {
         CSSKeyframesRule {
             cssrule: CSSRule::new_inherited(parent_stylesheet),
             keyframesrule: keyframesrule,
-            rulelist: MutNullableHeap::new(None),
+            rulelist: MutNullableJS::new(None),
         }
     }