[webkit-reviews] review requested: [Bug 20180] Matching :nth-child selectors is slow : [Attachment 23417] Minor improvements

[bugzilla-daemon at webkit.org]

David Smith <catfish.man at gmail.com> has asked  for review:
Bug 20180: Matching :nth-child selectors is slow
https://bugs.webkit.org/show_bug.cgi?id=20180

Attachment 23417: Minor improvements
https://bugs.webkit.org/attachment.cgi?id=23417&action=edit

------- Additional Comments from David Smith <catfish.man at gmail.com>
This gets rid of the copy-pasted headers from CSSSelector since this is a new
file, and moves m_parsedNth to CSSSelector since it has a free bit.