Fix invalid rooting for PropertyDescriptor (#34018)

* Clean up unnecessary uses of RootedGuard.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Update mozjs.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

Cargo.lock

@@ -4093,7 +4093,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4979f22fdb869068da03c9f7528f8297c6fd2606bc3a4affe42e6a823fdb8da4"
 dependencies = [
  "cfg-if",
- "windows-targets 0.48.5",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -4518,7 +4518,7 @@ dependencies = [
 [[package]]
 name = "mozjs"
 version = "0.14.1"
-source = "git+https://github.com/servo/mozjs#a02aaf1e11fd275f2f129d0c7ca80a9d07460036"
+source = "git+https://github.com/servo/mozjs#118aae2bcdb39617473b2cfe9fc680274ebbb9fc"
 dependencies = [
  "bindgen",
  "cc",
@@ -4530,8 +4530,8 @@ dependencies = [
 
 [[package]]
 name = "mozjs_sys"
-version = "0.128.3-0"
-source = "git+https://github.com/servo/mozjs#a02aaf1e11fd275f2f129d0c7ca80a9d07460036"
+version = "0.128.3-1"
+source = "git+https://github.com/servo/mozjs#118aae2bcdb39617473b2cfe9fc680274ebbb9fc"
 dependencies = [
  "bindgen",
  "cc",

components/script/dom/bindings/codegen/CodegenRust.py

@@ -3205,7 +3205,7 @@ class CGCollectJSONAttributesMethod(CGAbstractMethod):
         args = [Argument('*mut JSContext', 'cx'),
                 Argument('RawHandleObject', 'obj'),
                 Argument('*mut libc::c_void', 'this'),
-                Argument('&RootedGuard<*mut JSObject>', 'result')]
+                Argument('HandleObject', 'result')]
         CGAbstractMethod.__init__(self, descriptor, 'CollectJSONAttributes',
                                   'bool', args, pub=True, unsafe=True)
         self.toJSONMethod = toJSONMethod
@@ -3232,7 +3232,7 @@ let global = incumbent_global.reflector().get_jsobject();\n"""
                       if !get_${name}(cx, obj, this, JSJitGetterCallArgs { _base: temp.handle_mut().into() }) {
                         return false;
                       }
-                      if !JS_DefineProperty(cx, result.handle(),
+                      if !JS_DefineProperty(cx, result,
                                             ${nameAsArray},
                                             temp.handle(), JSPROP_ENUMERATE as u32) {
                         return false;
@@ -4118,7 +4118,7 @@ class CGDefaultToJSONMethod(CGSpecializedMethod):
 
         parents = len(jsonDescriptors) - 1
         form = """
-             if !${parentclass}CollectJSONAttributes(cx, _obj, this, &result) {
+             if !${parentclass}CollectJSONAttributes(cx, _obj, this, result.handle()) {
                  return false;
              }
              """
@@ -6250,13 +6250,13 @@ let global = GlobalScope::from_object(JS_CALLEE(*cx, vp).to_object());
             if len(self.exposureSet) == 1:
                 args = [
                     f"global.downcast::<dom::types::{list(self.exposureSet)[0]}>().unwrap()",
-                    "Some(desired_proto.handle())",
+                    "Some(desired_proto)",
                     "CanGc::note()"
                 ]
             else:
                 args = [
                     "global",
-                    "Some(desired_proto.handle())",
+                    "Some(desired_proto)",
                     "CanGc::note()"
                 ]
 
@@ -6265,11 +6265,11 @@ let global = GlobalScope::from_object(JS_CALLEE(*cx, vp).to_object());
             call_default_constructor(
                 cx,
                 &args,
-                global,
+                &global,
                 PrototypeList::ID::{MakeNativeName(self.descriptor.name)},
                 \"{ctorName}\",
                 CreateInterfaceObjects,
-                |cx, args, global, desired_proto| {{
+                |cx: SafeJSContext, args: &CallArgs, global: &GlobalScope, desired_proto: HandleObject| {{
                     {constructor.define()}
                 }}
             )

components/script/dom/bindings/constructor.rs

@@ -7,7 +7,6 @@ use std::ptr;
 use html5ever::interface::QualName;
 use html5ever::{local_name, namespace_url, ns, LocalName};
 use js::conversions::ToJSValConvertible;
-use js::gc::RootedGuard;
 use js::glue::{UnwrapObjectDynamic, UnwrapObjectStatic};
 use js::jsapi::{CallArgs, CurrentGlobalOrNull, JSAutoRealm, JSObject};
 use js::rust::wrappers::{JS_SetPrototype, JS_WrapObject};
@@ -406,11 +405,11 @@ pub unsafe fn call_html_constructor<T: DerivedFrom<Element> + DomObject>(
 pub unsafe fn call_default_constructor(
     cx: JSContext,
     args: &CallArgs,
-    global: DomRoot<GlobalScope>,
+    global: &GlobalScope,
     proto_id: PrototypeList::ID,
     ctor_name: &str,
     creator: unsafe fn(JSContext, HandleObject, *mut ProtoOrIfaceArray),
-    constructor: impl FnOnce(JSContext, &CallArgs, &GlobalScope, RootedGuard<*mut JSObject>) -> bool,
+    constructor: impl FnOnce(JSContext, &CallArgs, &GlobalScope, HandleObject) -> bool,
 ) -> bool {
     if !args.is_constructing() {
         throw_constructor_without_new(*cx, ctor_name);
@@ -423,5 +422,5 @@ pub unsafe fn call_default_constructor(
         return false;
     }
 
-    constructor(cx, args, &global, desired_proto)
+    constructor(cx, args, global, desired_proto.handle())
 }

components/script/dom/bindings/import.rs

@@ -83,7 +83,7 @@ pub mod module {
     };
     pub use js::rust::{
         get_context_realm, get_object_class, get_object_realm, CustomAutoRooterGuard, GCMethods,
-        Handle, MutableHandle, RootedGuard,
+        Handle, MutableHandle,
     };
     pub use js::typedarray::{
         ArrayBuffer, ArrayBufferView, Float32Array, Float64Array, Uint8Array, Uint8ClampedArray,