[webkit-reviews] review requested: [Bug 138969] Regression(r175381): -webkit-mask-box-image is broken : [Attachment 242050] Patch

[bugzilla-daemon at webkit.org]

Chris Dumez <cdumez at apple.com> has asked  for review:
Bug 138969: Regression(r175381): -webkit-mask-box-image is broken
https://bugs.webkit.org/show_bug.cgi?id=138969

Attachment 242050: Patch

https://bugs.webkit.org/attachment.cgi?id=242050&action=review