59     SkBufferBlock   fBlock;  member
71         head->fBlock.fNext = nullptr;  in Alloc()
72         head->fBlock.fUsed = 0;  in Alloc()
73         head->fBlock.fCapacity = capacity;  in Alloc()
87             SkBufferBlock* block = fBlock.fNext;  in unref()
101         const SkBufferBlock* block = &fBlock;  in validate()
140         fBlock = &buffer->fHead->fBlock;  in reset()
143         fBlock = nullptr;  in reset()
149     return fRemaining ? fBlock->startData() : nullptr;  in data()
153     if (!fBlock) {  in size()
156     return SkTMin(fBlock->fUsed, fRemaining);  in size()
162         fBlock = fBlock->fNext;  in next()
186         fTail = &fHead->fBlock;  in append()
214         fTail = &fHead->fBlock;  in append()