[webkit-reviews] review requested: [Bug 43987] Downloading using XHR is much slower than before : [Attachment 70632] [PART I] Allow fast inspection of intermediate states of a StringBuilder.

[bugzilla-daemon at webkit.org]

Gavin Barraclough <barraclough at apple.com> has asked  for review:
Bug 43987: Downloading using XHR is much slower than before
https://bugs.webkit.org/show_bug.cgi?id=43987

Attachment 70632: [PART I] Allow fast inspection of intermediate states of a
StringBuilder.
https://bugs.webkit.org/attachment.cgi?id=70632&action=review