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-rw-r--r--components/script/dom/bindings/js.rs18
1 files changed, 11 insertions, 7 deletions
diff --git a/components/script/dom/bindings/js.rs b/components/script/dom/bindings/js.rs
index 02a6c430421..8b8f19e4d97 100644
--- a/components/script/dom/bindings/js.rs
+++ b/components/script/dom/bindings/js.rs
@@ -614,6 +614,17 @@ impl<T: Reflectable> Root<T> {
chain: ContravariantLifetime,
}
}
+
+ /// Obtain an unsafe reference to the wrapped JS owned-value that can
+ /// outlive the lifetime of this root.
+ ///
+ /// DO NOT CALL.
+ pub fn get_unsound_ref_forever<'b>(&self) -> JSRef<'b, T> {
+ JSRef {
+ ptr: self.jsref.ptr,
+ chain: ContravariantLifetime,
+ }
+ }
}
#[unsafe_destructor]
@@ -623,13 +634,6 @@ impl<T: Reflectable> Drop for Root<T> {
}
}
-impl<'b, T: Reflectable> Deref for Root<T> {
- type Target = JSRef<'b, T>;
- fn deref<'c>(&'c self) -> &'c JSRef<'b, T> {
- &self.jsref
- }
-}
-
impl<'a, T: Reflectable> Deref for JSRef<'a, T> {
type Target = T;
fn deref<'b>(&'b self) -> &'b T {