105 void PersistentHandlesList::Add(PersistentHandles* persistent_handles) {  in Add()  argument
108     persistent_handles_head_->prev_ = persistent_handles;  in Add()
109   persistent_handles->prev_ = nullptr;  in Add()
110   persistent_handles->next_ = persistent_handles_head_;  in Add()
111   persistent_handles_head_ = persistent_handles;  in Add()
114 void PersistentHandlesList::Remove(PersistentHandles* persistent_handles) {  in Remove()  argument
116   if (persistent_handles->next_)  in Remove()
117     persistent_handles->next_->prev_ = persistent_handles->prev_;  in Remove()
118   if (persistent_handles->prev_)  in Remove()
119     persistent_handles->prev_->next_ = persistent_handles->next_;  in Remove()
121     persistent_handles_head_ = persistent_handles->next_;  in Remove()