Make TextIterator::range return a SimpleRange
Created attachment 393009 [details] Patch
Trying to go slow on the deployment of SimpleRange. Easy for a refactoring patch to get out of hand and get too big to review.
Created attachment 393011 [details] Patch
Created attachment 393115 [details] Patch
Looks like the tests are passing so itβs ready for review now.
Committed r258250: <https://trac.webkit.org/changeset/258250>
<rdar://problem/60306553>
https://trac.webkit.org/changeset/258273/webkit https://trac.webkit.org/changeset/258280/webkit