checkOne          146 Source/core/css/SelectorChecker.cpp     if (!checkOne(context, siblingTraversalStrategy, &specificity))
checkOne          557 Source/core/css/SelectorChecker.cpp                 if (!checkOne(subContext, DOMSiblingTraversalStrategy()))
checkOne          106 Source/core/css/SelectorChecker.h     bool checkOne(const SelectorCheckingContext&, const SiblingTraversalStrategy&, unsigned* specificity = 0) const;