From a6218b42eafa9a1e6f845d7f709a108005ed58a8 Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Wed, 29 Jan 2025 02:40:25 -0500
Subject: bindings: Move string-related bindings code to script_bindings.
 (#35172)

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
---
 components/script_bindings/trace.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 components/script_bindings/trace.rs

(limited to 'components/script_bindings/trace.rs')

diff --git a/components/script_bindings/trace.rs b/components/script_bindings/trace.rs
new file mode 100644
index 00000000000..29317e7fda6
--- /dev/null
+++ b/components/script_bindings/trace.rs
@@ -0,0 +1,24 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use crate::str::{DOMString, USVString};
+
+/// For use on non-jsmanaged types
+/// Use #[derive(JSTraceable)] on JS managed types
+macro_rules! unsafe_no_jsmanaged_fields(
+    ($($ty:ty),+) => (
+        $(
+            #[allow(unsafe_code)]
+            unsafe impl crate::JSTraceable for $ty {
+                #[inline]
+                unsafe fn trace(&self, _: *mut ::js::jsapi::JSTracer) {
+                    // Do nothing
+                }
+            }
+        )+
+    );
+);
+
+unsafe_no_jsmanaged_fields!(DOMString);
+unsafe_no_jsmanaged_fields!(USVString);
-- 
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