[webkit-reviews] review requested: [Bug 52612] Apply feature flags to user-agent style sheets : [Attachment 79381] Patch 3

[bugzilla-daemon at webkit.org]

Kent Tamura <tkent at chromium.org> has asked  for review:
Bug 52612: Apply feature flags to user-agent style sheets
https://bugs.webkit.org/show_bug.cgi?id=52612

Attachment 79381: Patch 3
https://bugs.webkit.org/attachment.cgi?id=79381&action=review

------- Additional Comments from Kent Tamura <tkent at chromium.org>
Fix Windows build