Auto merge of #11835 - servo:diy-as-unsafe-cell, r=nox

Use our copy of RefCell for style data

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This allows removing `#![feature(as_unsafe_cell)]` in geckolib and make progress towards #11815.

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix part of #11815.

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- [ ] There are tests for these changes OR
- [x] These changes do not require new tests because they don’t introduce no functional changes.

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1 files changed, 1 insertions, 1 deletions

diff --git a/components/script_layout_interface/wrapper_traits.rs b/components/script_layout_interface/wrapper_traits.rs
index 145f9dd067b..a816321ec28 100644
--- a/components/script_layout_interface/wrapper_traits.rs
+++ b/components/script_layout_interface/wrapper_traits.rs
@@ -10,13 +10,13 @@ use gfx_traits::{ByteIndex, LayerId, LayerType};
 use msg::constellation_msg::PipelineId;
 use range::Range;
 use restyle_damage::RestyleDamage;
-use std::cell::{Ref, RefCell};
 use std::sync::Arc;
 use string_cache::{Atom, BorrowedAtom, BorrowedNamespace, Namespace};
 use style::computed_values::display;
 use style::dom::OpaqueNode;
 use style::dom::{PresentationalHintsSynthetizer, TNode};
 use style::properties::ServoComputedValues;
+use style::refcell::{Ref, RefCell};
 use style::selector_impl::{PseudoElement, PseudoElementCascadeType, ServoSelectorImpl};
 use style::servo::SharedStyleContext;
 use url::Url;