[webkit-reviews] review requested: [Bug 77940] Fix a build on Mac with '--shadow-dom' : [Attachment 125773] fix mac build with Shadow DOM

[bugzilla-daemon at webkit.org]

Hayato Ito <hayato at chromium.org> has asked  for review:
Bug 77940: Fix a build on Mac with '--shadow-dom'
https://bugs.webkit.org/show_bug.cgi?id=77940

Attachment 125773: fix mac build with Shadow DOM
https://bugs.webkit.org/attachment.cgi?id=125773&action=review