PseudoHorizontal 236 Source/core/css/CSSSelector.cpp case PseudoHorizontal: PseudoHorizontal 334 Source/core/css/CSSSelector.cpp {"horizontal", CSSSelector::PseudoHorizontal}, PseudoHorizontal 508 Source/core/css/CSSSelector.cpp case PseudoHorizontal: PseudoHorizontal 966 Source/core/css/SelectorChecker.cpp case CSSSelector::PseudoHorizontal: PseudoHorizontal 1039 Source/core/css/SelectorChecker.cpp case CSSSelector::PseudoHorizontal: