123             block->fNext = nullptr;  in Alloc()
126                 SkASSERT(nullptr == prev->fNext);  in Alloc()
127                 prev->fNext = block;  in Alloc()
135                 SkASSERT(block->fPrev->fNext == block);  in Free()
136                 block->fPrev->fNext = nullptr;  in Free()
139                 MemBlock* next = block->fNext;  in Free()
151         MemBlock* fNext;  member
214         if (!fTailBlock->fNext) {  in alloc_back()
217             fTailBlock = fTailBlock->fNext;  in alloc_back()
259             if (!fBlock->fNext) {  in next()
262             fBlock = fBlock->fNext;  in next()
345         MemBlock::Free(fTailBlock->fNext);  in reset()
346     } else if (fTailBlock->fNext) {  in reset()
347         MemBlock::Free(fTailBlock->fNext->fNext);  in reset()
348         fTailBlock->fNext->fNext = nullptr;  in reset()
351     for (MemBlock* block = fHeadBlock; block; block = block->fNext) {  in reset()