[webkit-reviews] review requested: [Bug 129467] Element::attributeChanged shouldn't do any work when attribute value didn't change : [Attachment 225438] Fixes the bug

[bugzilla-daemon at webkit.org]

Ryosuke Niwa <rniwa at webkit.org> has asked  for review:
Bug 129467: Element::attributeChanged shouldn't do any work when attribute
value didn't change
https://bugs.webkit.org/show_bug.cgi?id=129467

Attachment 225438: Fixes the bug
https://bugs.webkit.org/attachment.cgi?id=225438&action=review