66     SkBufferBlock   fBlock;  member
68     SkBufferHead(size_t capacity) : fRefCnt(1), fBlock(capacity) {}  in SkBufferHead()
92             SkBufferBlock* block = fBlock.fNext;  in unref()
106         const SkBufferBlock* block = &fBlock;  in validate()
156         fBlock = &buffer->fHead->fBlock;  in reset()
159         fBlock = nullptr;  in reset()
165     return fRemaining ? fBlock->startData() : nullptr;  in data()
169     if (!fBlock) {  in size()
172     return SkTMin(fBlock->fCapacity, fRemaining);  in size()
178         if (fBuffer->fTail == fBlock) {  in next()
181             fBlock = nullptr;  in next()
183             fBlock = fBlock->fNext;  in next()
194         fTail = &fHead->fBlock;  in SkRWBuffer()
219         fTail = &fHead->fBlock;  in append()