28       : index_(0), size_(0) {
42     if (index_ >= current_chunk_.length()) {  in Add()
45     current_chunk_[index_] = value;  in Add()
46     index_++;  in Add()
56     if (size > current_chunk_.length() - index_) {  in AddBlock()
59     T* position = current_chunk_.start() + index_;  in AddBlock()
60     index_ += size;  in AddBlock()
73     if (source.length() > current_chunk_.length() - index_) {  in AddBlock()
76     T* position = current_chunk_.start() + index_;  in AddBlock()
77     index_ += source.length();  in AddBlock()
96     for (int i = 0; i < index_; i++) {  in WriteTo()
118     index_ = 0;  in Reset()
129   int index_;                // Current index in current chunk.  variable
152     DCHECK(index_ + min_capacity <= current_chunk_.length());  in Grow()
161     if (index_ > 0) {  in NewChunk()
162       chunks_.Add(current_chunk_.SubVector(0, index_));  in NewChunk()
167     index_ = 0;  in NewChunk()
191     sequence_start_ = this->index_;  in StartSequence()
198     if (sequence_start == this->index_) return Vector<T>();  in EndSequence()
199     return this->current_chunk_.SubVector(sequence_start, this->index_);  in EndSequence()
205     int sequence_length = this->index_ - sequence_start_;  in DropSequence()
206     this->index_ = sequence_start_;  in DropSequence()
227     int sequence_length = this->index_ - sequence_start_;  in NewChunk()
239     this->index_ = sequence_length;  in NewChunk()