Notify content change is only allowed when we are not inside mouseMoved anymore.
<rdar://problem/48603276>
Created attachment 363651 [details] Patch
Created attachment 363686 [details] Patch
Comment on attachment 363686 [details] Patch Clearing flags on attachment: 363686 Committed r242516: <https://trac.webkit.org/changeset/242516>
All reviewed patches have been landed. Closing bug.