198         : it_(target->bits_ == NULL  in Iterator()
200               : target->bits_) { }  in Iterator()
208   GrowableBitVector() : bits_(NULL) { }  in GrowableBitVector()
210       : bits_(new(zone) BitVector(length, zone)) { }  in GrowableBitVector()
214     return bits_->Contains(value);  in Contains()
219     bits_->Add(value);  in Add()
228   void Clear() { if (bits_ != NULL) bits_->Clear(); }  in Clear()
234     return bits_ != NULL && bits_->length() > value;  in InBitsRange()
239     int new_length = bits_ == NULL ? kInitialLength : bits_->length();  in EnsureCapacity()
242     if (bits_ != NULL) new_bits->CopyFrom(*bits_);  in EnsureCapacity()
243     bits_ = new_bits;  in EnsureCapacity()
246   BitVector* bits_;  variable