[webkit-changes] [WebKit/WebKit] cef67a: REGRESSION(264714 at main) 5% regression in Speedomet...

[Myles C. Maxfield]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: cef67a15794121ce2c8b17671619eb5cb2f7e983
      https://github.com/WebKit/WebKit/commit/cef67a15794121ce2c8b17671619eb5cb2f7e983
  Author: Myles C. Maxfield <mmaxfield at apple.com>
  Date:   2023-06-21 (Wed, 21 Jun 2023)

  Changed paths:
    M Source/WTF/wtf/text/cf/TextBreakIteratorCFCharacterCluster.h
    M Source/WTF/wtf/text/cf/TextBreakIteratorCFStringTokenizer.h

  Log Message:
  -----------
  REGRESSION(264714 at main) 5% regression in Speedometer 3's Editor-TipTap suite
https://bugs.webkit.org/show_bug.cgi?id=258259
rdar://110926113

Reviewed by Ryosuke Niwa.

There's no need to use the fancy NSString subclass if there is no prior context.
The whole reason the NSString subclass exists is to deal with the prior context.
If we can use CFString directly, that's faster.

* Source/WTF/wtf/text/cf/TextBreakIteratorCFCharacterCluster.h:
(WTF::TextBreakIteratorCFCharacterCluster::setText):
* Source/WTF/wtf/text/cf/TextBreakIteratorCFStringTokenizer.h:
(WTF::TextBreakIteratorCFStringTokenizer::TextBreakIteratorCFStringTokenizer):
(WTF::TextBreakIteratorCFStringTokenizer::setText):
(WTF::TextBreakIteratorCFStringTokenizer::createString):

Canonical link: https://commits.webkit.org/265389@main