Restrict calls to didFinishInsertingNode to only when the nodes are connected.
Pull request: https://github.com/WebKit/WebKit/pull/23218
Committed 273523@main (980a1d5fec28): <https://commits.webkit.org/273523@main> Reviewed commits have been landed. Closing PR #23218 and removing active labels.
<rdar://problem/121612950>
Re-opening for pull request https://github.com/apple/WebKit/pull/1063
Committed 272448.511@safari-7618-branch (356ee012f3bb): <https://commits.webkit.org/272448.511@safari-7618-branch> Reviewed commits have been landed. Closing PR #1063 and removing active labels.