https://bugs.webkit.org/show_bug.cgi?id=115526

Reviewed by Andreas Kling.

Without Shadow DOM distribution we don't need SiblingTraversalStrategies anymore.

* css/ElementRuleCollector.cpp:
(WebCore::ElementRuleCollector::ruleMatches):
* css/SelectorChecker.cpp:
(WebCore):
(WebCore::isFirstChildElement):
(WebCore::isLastChildElement):
(WebCore::isFirstOfType):
(WebCore::isLastOfType):
(WebCore::countElementsBefore):
(WebCore::countElementsOfTypeBefore):
(WebCore::countElementsAfter):
(WebCore::countElementsOfTypeAfter):
(WebCore::SelectorChecker::match):
(WebCore::SelectorChecker::checkOne):
* css/SelectorChecker.h:
(SelectorChecker):
* css/SiblingTraversalStrategies.h:
* css/StyleResolver.h:
(WebCore::checkRegionSelector):
* dom/SelectorQuery.cpp:
(WebCore::SelectorDataList::selectorMatches):
* html/shadow/ContentSelectorQuery.cpp:
(WebCore::ContentSelectorDataList::checkContentSelector):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149498 268f45cc-cd09-0410-ab3c-d52691b4dbfc