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/filereader.rs b/components/script/dom/filereader.rs
index bb57ad5d9de..4227e84d6c0 100644
--- a/components/script/dom/filereader.rs
+++ b/components/script/dom/filereader.rs
@@ -9,7 +9,7 @@ use dom::bindings::codegen::Bindings::FileReaderBinding::{self, FileReaderConsta
 use dom::bindings::codegen::UnionTypes::StringOrObject;
 use dom::bindings::error::{Error, ErrorResult, Fallible};
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{JS, MutNullableHeap, Root};
+use dom::bindings::js::{MutNullableJS, Root};
 use dom::bindings::refcounted::Trusted;
 use dom::bindings::reflector::{DomObject, reflect_dom_object};
 use dom::bindings::str::DOMString;
@@ -86,7 +86,7 @@ pub enum FileReaderResult {
 pub struct FileReader {
     eventtarget: EventTarget,
     ready_state: Cell<FileReaderReadyState>,
-    error: MutNullableHeap<JS<DOMException>>,
+    error: MutNullableJS<DOMException>,
     result: DOMRefCell<Option<FileReaderResult>>,
     generation_id: Cell<GenerationId>,
 }
@@ -96,7 +96,7 @@ impl FileReader {
         FileReader {
             eventtarget: EventTarget::new_inherited(),
             ready_state: Cell::new(FileReaderReadyState::Empty),
-            error: MutNullableHeap::new(None),
+            error: MutNullableJS::new(None),
             result: DOMRefCell::new(None),
             generation_id: Cell::new(GenerationId(0)),
         }