118                          : list->observers_.size()) {  in Iter()
190       return list_->observers_[index_];  in GetCurrent()
196       while (index_ < max_index && !list_->observers_[index_])  in EnsureValidIndex()
201       return std::min(max_index_, list_->observers_.size());  in clamped_max_index()
220     return observers_.empty() ? const_iterator() : const_iterator(this);  in begin()
231       DCHECK(observers_.empty());  in ~ObserverList()
246     observers_.push_back(obs);  in AddObserver()
253     const auto it = std::find(observers_.begin(), observers_.end(), obs);  in RemoveObserver()
254     if (it == observers_.end())  in RemoveObserver()
261       observers_.erase(it);  in RemoveObserver()
267     return ContainsValue(observers_, obs);  in HasObserver()
274       std::fill(observers_.begin(), observers_.end(), nullptr);  in Clear()
276       observers_.clear();  in Clear()
280   bool might_have_observers() const { return !observers_.empty(); }  in might_have_observers()
285     observers_.erase(std::remove(observers_.begin(), observers_.end(), nullptr),  in Compact()
286                      observers_.end());  in Compact()
289   std::vector<ObserverType*> observers_;  variable