Use AtomicString::string() instead.
Created attachment 280556 [details] Patch
The commit-queue encountered the following flaky tests while processing attachment 280556 [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 280556 [details] Patch Clearing flags on attachment: 280556 Committed r201700: <http://trac.webkit.org/changeset/201700>
All reviewed patches have been landed. Closing bug.