[webkit-reviews] review requested: [Bug 209187] [WKTR] testRunner API that takes in a completion handler should use async IPC : [Attachment 393767] Patch

[bugzilla-daemon at webkit.org]

Chris Dumez <cdumez at apple.com> has asked  for review:
Bug 209187: [WKTR] testRunner API that takes in a completion handler should use
async IPC
https://bugs.webkit.org/show_bug.cgi?id=209187

Attachment 393767: Patch

https://bugs.webkit.org/attachment.cgi?id=393767&action=review