https://bugs.webkit.org/show_bug.cgi?id=110041

Now that SelectorChecker has no interesting state, we can simplify ContentSelectorQuery and get rid of a class.

Reviewed by Andreas Kling.

No functional changes, covered by existing tests.

* html/shadow/ContentSelectorQuery.cpp:
(WebCore::ContentSelectorDataList::checkContentSelector): Zapped ContentSelectorChecker and moved its only remaining method here.
(WebCore::ContentSelectorDataList::matches): Removed SelectorChecker argument.
(WebCore::ContentSelectorQuery::ContentSelectorQuery): Removed an unnecessary member.
(WebCore::ContentSelectorQuery::matches): Removed unnecessary argument.
* html/shadow/ContentSelectorQuery.h:
(WebCore): Cleaned up the file.
(ContentSelectorDataList): Updated decls.
(ContentSelectorQuery): Ditto.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143150 268f45cc-cd09-0410-ab3c-d52691b4dbfc