106   IRTSegmentState prevState;  in Add()  local
107   prevState.all = cookie;  in Add()
113   DCHECK_GE(segment_state_.parts.numHoles, prevState.parts.numHoles);  in Add()
125   int numHoles = segment_state_.parts.numHoles - prevState.parts.numHoles;  in Add()
134       DCHECK_GE(pScan, table_ + prevState.parts.topIndex);  in Add()
174   IRTSegmentState prevState;  in Remove()  local
175   prevState.all = cookie;  in Remove()
177   int bottomIndex = prevState.parts.topIndex;  in Remove()
180   DCHECK_GE(segment_state_.parts.numHoles, prevState.parts.numHoles);  in Remove()
219     int numHoles = segment_state_.parts.numHoles - prevState.parts.numHoles;  in Remove()
235       segment_state_.parts.numHoles = numHoles + prevState.parts.numHoles;  in Remove()