Introduce new makeStringByReplacingAll(StringView, UChar, UChar) function, to complement the existing makeStringByReplacingAll(const String&, UChar, UChar). This allows several call sites from avoiding a temporary String constructing since they have a StringView.
Pull request: https://github.com/WebKit/WebKit/pull/378
Committed r293379 (249969@main): <https://commits.webkit.org/249969@main> Reviewed commits have been landed. Closing PR #378 and removing active labels.
<rdar://problem/92303369>