Remove `ref_filter_map` dependency (#36857)

Instead, use the `filter_map` functions of `std::cell::Ref` and
`accountable_refcell::Ref`, which provide the same functionality as
`ref_filter_map`.

Testing: Refactoring for removing dependency. No extra test is needed.
Fixes: #36851

---------

Signed-off-by: Kingsley Yung <kingsley@kkoyung.dev>

1 files changed, 3 insertions, 2 deletions

diff --git a/components/script/dom/vertexarrayobject.rs b/components/script/dom/vertexarrayobject.rs
index 7da5cf7195b..27f65bde7ee 100644
--- a/components/script/dom/vertexarrayobject.rs
+++ b/components/script/dom/vertexarrayobject.rs
@@ -8,7 +8,7 @@ use canvas_traits::webgl::{
     ActiveAttribInfo, WebGLCommand, WebGLError, WebGLResult, WebGLVersion, WebGLVertexArrayId,
 };
 
-use crate::dom::bindings::cell::{DomRefCell, Ref, ref_filter_map};
+use crate::dom::bindings::cell::{DomRefCell, Ref};
 use crate::dom::bindings::codegen::Bindings::WebGL2RenderingContextBinding::WebGL2RenderingContextConstants as constants2;
 use crate::dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
 use crate::dom::bindings::root::{Dom, MutNullableDom};
@@ -83,9 +83,10 @@ impl VertexArrayObject {
     }
 
     pub(crate) fn get_vertex_attrib(&self, index: u32) -> Option<Ref<VertexAttribData>> {
-        ref_filter_map(self.vertex_attribs.borrow(), |attribs| {
+        Ref::filter_map(self.vertex_attribs.borrow(), |attribs| {
             attribs.get(index as usize)
         })
+        .ok()
     }
 
     pub(crate) fn set_vertex_attrib_type(&self, index: u32, type_: u32) {