[webkit-reviews] review requested: [Bug 40158] ASSERTION FAILED with -webkit-appearance:progress-bar for non-progress bar elements : [Attachment 57988] patch v4

[bugzilla-daemon at webkit.org]

MORITA Hajime <morrita at google.com> has asked  for review:
Bug 40158: ASSERTION FAILED with -webkit-appearance:progress-bar for
non-progress bar elements
https://bugs.webkit.org/show_bug.cgi?id=40158

Attachment 57988: patch v4
https://bugs.webkit.org/attachment.cgi?id=57988&action=review