extractInvalidationSetFeatures  183 Source/core/css/RuleFeature.cpp     const CSSSelector* current = extractInvalidationSetFeatures(selector, features);
extractInvalidationSetFeatures  202 Source/core/css/RuleFeature.cpp                     extractInvalidationSetFeatures(*selector, features);
extractInvalidationSetFeatures  155 Source/core/css/RuleFeature.h     const CSSSelector* extractInvalidationSetFeatures(const CSSSelector&, InvalidationSetFeatures&);