[webkit-reviews] review requested: [Bug 39029] REGRESSION: (r47291): Upload progress events are not fired for simple cross-origin XHR : [Attachment 55911] Proposed fix v2.

[bugzilla-daemon at webkit.org]

David Levin <levin at chromium.org> has asked  for review:
Bug 39029: REGRESSION: (r47291): Upload progress events are not fired for
simple cross-origin XHR
https://bugs.webkit.org/show_bug.cgi?id=39029

Attachment 55911: Proposed fix v2.
https://bugs.webkit.org/attachment.cgi?id=55911&action=review