pub unsafe extern "C" fn AddServoSizeOf(
cx: *mut JSContext,
mallocSizeOf: MallocSizeOf,
opv: *mut ObjectPrivateVisitor,
sizes: *mut ServoSizes,
) -> bool
pub unsafe extern "C" fn AddServoSizeOf(
cx: *mut JSContext,
mallocSizeOf: MallocSizeOf,
opv: *mut ObjectPrivateVisitor,
sizes: *mut ServoSizes,
) -> bool