As specified in the spec: https://html.spec.whatwg.org/#dom-img-referrerpolicy
Created attachment 391159 [details] Patch
Created attachment 391274 [details] Patch
Created attachment 391286 [details] Patch
Created attachment 391291 [details] Patch
Created attachment 391317 [details] Patch
Created attachment 391394 [details] Patch
The commit-queue encountered the following flaky tests while processing attachment 391394 [details]: editing/spelling/spellcheck-async-remove-frame.html bug 158401 (authors: morrita@google.com, rniwa@webkit.org, and tony@chromium.org) The commit-queue is continuing to process your patch.
Comment on attachment 391394 [details] Patch Clearing flags on attachment: 391394 Committed r257572: <https://trac.webkit.org/changeset/257572>
All reviewed patches have been landed. Closing bug.
<rdar://problem/59851251>