UnitTypeViewportMax  213 Source/core/animation/AnimatableLength.cpp         numberType = UnitTypeViewportMax;
UnitTypeViewportMax  239 Source/core/animation/AnimatableLength.cpp     case UnitTypeViewportMax:
UnitTypeViewportMax  110 Source/core/animation/AnimatableLength.h         return m_unitType == UnitTypeViewportWidth || m_unitType == UnitTypeViewportHeight || m_unitType == UnitTypeViewportMin || m_unitType == UnitTypeViewportMax;