233         fRows[i].fNext = NULL;  in initLRU()
238     SkASSERT(NULL == fLRUBack || NULL == fLRUBack->fNext);  in initLRU()
242     SkASSERT(NULL == row->fPrev && NULL == row->fNext);  in appendLRU()
248         fLRUBack->fNext = row;  in appendLRU()
255     if (row->fNext && row->fPrev) {  in removeFromLRU()
256         row->fPrev->fNext = row->fNext;  in removeFromLRU()
257         row->fNext->fPrev = row->fPrev;  in removeFromLRU()
259         if (NULL == row->fNext) {  in removeFromLRU()
263                 fLRUBack->fNext = NULL;  in removeFromLRU()
268             fLRUFront = row->fNext;  in removeFromLRU()
274     row->fNext = NULL;  in removeFromLRU()
302     SkASSERT(NULL == fLRUBack  || NULL == fLRUBack->fNext);  in validate()
303     for (AtlasRow* r = fLRUFront; r != NULL; r = r->fNext) {  in validate()
304         if (NULL == r->fNext) {  in validate()
307             SkASSERT(r->fNext->fPrev == r);  in validate()
321             for (AtlasRow* r = fLRUFront; r != NULL; r = r->fNext) {  in validate()