uncheckedPreviousOffset  319 Source/core/dom/Position.cpp             return createLegacyEditingPosition(node, uncheckedPreviousOffset(node, offset));
uncheckedPreviousOffset  155 Source/core/dom/Position.h     static int uncheckedPreviousOffset(const Node*, int current);
uncheckedPreviousOffset   96 Source/core/dom/PositionIterator.cpp             m_offsetInAnchor = Position::uncheckedPreviousOffset(m_anchorNode, m_offsetInAnchor);