servo: Merge #10980 - Re-add TODO comment for adding referer info to LoadData (from KiChjang:referer-policy-comment); r=jdm

Fixes the accidental removal in #10970.

Source-Repo: https://github.com/servo/servo
Source-Revision: ff687c5b016628b7098d6d2e1dea90d852a4dbf6

servo/components/compositing/constellation.rs

@@ -987,6 +987,8 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
                     Some(old_pipeline) => old_pipeline.url.clone(),
                     None => Url::parse("about:blank").expect("infallible"),
                 };
+
+                // TODO - loaddata here should have referrer info (not None, None)
                 LoadData::new(url, None, None)
             });