[webkit-reviews] review requested: [Bug 159596] REGRESSION: manifest.json generation takes multiple seconds on perf dashboard : [Attachment 283243] Reduces runtime by 10x

[bugzilla-daemon at webkit.org]

Ryosuke Niwa <rniwa at webkit.org> has asked  for review:
Bug 159596: REGRESSION: manifest.json generation takes multiple seconds on perf
dashboard
https://bugs.webkit.org/show_bug.cgi?id=159596

Attachment 283243: Reduces runtime by 10x

https://bugs.webkit.org/attachment.cgi?id=283243&action=review