1 files changed, 7 insertions, 0 deletions
diff --git a/components/malloc_size_of/lib.rs b/components/malloc_size_of/lib.rs
index 2bdeedf986d..ae951da97e5 100644
--- a/components/malloc_size_of/lib.rs
+++ b/components/malloc_size_of/lib.rs
@@ -53,6 +53,7 @@ use std::ops::Range;
 use std::rc::Rc;
 use std::sync::Arc;
 
+use style::properties::ComputedValues;
 use style::values::generics::length::GenericLengthPercentageOrAuto;
 pub use stylo_malloc_size_of::MallocSizeOfOps;
 use uuid::Uuid;
@@ -750,6 +751,12 @@ impl<T: MallocSizeOf> MallocSizeOf for accountable_refcell::RefCell<T> {
     }
 }
 
+impl MallocSizeOf for servo_arc::Arc<ComputedValues> {
+    fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
+        self.conditional_size_of(ops)
+    }
+}
+
 malloc_size_of_hash_map!(indexmap::IndexMap<K, V, S>);
 malloc_size_of_hash_set!(indexmap::IndexSet<T, S>);