24       buffer_(),  in Reader()
82         end_of_buffer_offset_ - buffer_.size() - kHeaderSize - fragment.size();  in ReadRecord()
194       end_of_buffer_offset_ - buffer_.size() - bytes >= initial_offset_) {  in ReportDrop()
201     if (buffer_.size() < kHeaderSize) {  in ReadPhysicalRecord()
204         buffer_.clear();  in ReadPhysicalRecord()
205         Status status = file_->Read(kBlockSize, &buffer_, backing_store_);  in ReadPhysicalRecord()
206         end_of_buffer_offset_ += buffer_.size();  in ReadPhysicalRecord()
208           buffer_.clear();  in ReadPhysicalRecord()
212         } else if (buffer_.size() < kBlockSize) {  in ReadPhysicalRecord()
221         buffer_.clear();  in ReadPhysicalRecord()
227     const char* header = buffer_.data();  in ReadPhysicalRecord()
232     if (kHeaderSize + length > buffer_.size()) {  in ReadPhysicalRecord()
233       size_t drop_size = buffer_.size();  in ReadPhysicalRecord()
234       buffer_.clear();  in ReadPhysicalRecord()
249       buffer_.clear();  in ReadPhysicalRecord()
262         size_t drop_size = buffer_.size();  in ReadPhysicalRecord()
263         buffer_.clear();  in ReadPhysicalRecord()
269     buffer_.remove_prefix(kHeaderSize + length);  in ReadPhysicalRecord()
272     if (end_of_buffer_offset_ - buffer_.size() - kHeaderSize - length <  in ReadPhysicalRecord()