[webkit-reviews] review requested: [Bug 40400] Refactoring: Simple shadow elements should be factored out . : [Attachment 58334] patch v0

[bugzilla-daemon at webkit.org]

MORITA Hajime <morrita at google.com> has asked  for review:
Bug 40400: Refactoring: Simple shadow elements should be factored out .
https://bugs.webkit.org/show_bug.cgi?id=40400

Attachment 58334: patch v0
https://bugs.webkit.org/attachment.cgi?id=58334&action=review