[webkit-reviews] review requested: [Bug 110987] [chromium] Add ability to wait on async upload completion : [Attachment 190535] Patch

[bugzilla-daemon at webkit.org]

Sami Kyöstilä <skyostil at chromium.org> has asked  for review:
Bug 110987: [chromium] Add ability to wait on async upload completion
https://bugs.webkit.org/show_bug.cgi?id=110987

Attachment 190535: Patch
https://bugs.webkit.org/attachment.cgi?id=190535&action=review