ensureIdInvalidationSet  172 Source/core/css/RuleFeature.cpp         return &ensureIdInvalidationSet(selector.value());
ensureIdInvalidationSet  347 Source/core/css/RuleFeature.cpp         ensureIdInvalidationSet(it->key).combine(*it->value);
ensureIdInvalidationSet  140 Source/core/css/RuleFeature.h     DescendantInvalidationSet& ensureIdInvalidationSet(const AtomicString& attributeName);