UnitTypeViewportWidth  204 Source/core/animation/AnimatableLength.cpp         numberType = UnitTypeViewportWidth;
UnitTypeViewportWidth  233 Source/core/animation/AnimatableLength.cpp     case UnitTypeViewportWidth:
UnitTypeViewportWidth  110 Source/core/animation/AnimatableLength.h         return m_unitType == UnitTypeViewportWidth || m_unitType == UnitTypeViewportHeight || m_unitType == UnitTypeViewportMin || m_unitType == UnitTypeViewportMax;