UnitTypeViewportHeight  207 Source/core/animation/AnimatableLength.cpp         numberType = UnitTypeViewportHeight;
UnitTypeViewportHeight  235 Source/core/animation/AnimatableLength.cpp     case UnitTypeViewportHeight:
UnitTypeViewportHeight  110 Source/core/animation/AnimatableLength.h         return m_unitType == UnitTypeViewportWidth || m_unitType == UnitTypeViewportHeight || m_unitType == UnitTypeViewportMin || m_unitType == UnitTypeViewportMax;