191 ThreadWatcherList* ThreadWatcherList::global_ = NULL;  member in ThreadWatcherList
198   CHECK(!global_);  in ThreadWatcherList()
199   global_ = this;  in ThreadWatcherList()
206   DCHECK(this == global_);  in ~ThreadWatcherList()
207   global_ = NULL;  in ~ThreadWatcherList()
212   if (!global_)  in Register()
214   base::AutoLock auto_lock(global_->lock_);  in Register()
215   DCHECK(!global_->PreLockedFind(watcher->thread_id()));  in Register()
216   global_->registered_[watcher->thread_id()] = watcher;  in Register()
263   if (!global_)  in StopWatchingAll()
272       NewRunnableMethod(global_, &ThreadWatcherList::DeleteAll));  in StopWatchingAll()
280   if (!global_)  in RemoveNotifications()
282   base::AutoLock auto_lock(global_->lock_);  in RemoveNotifications()
283   global_->registrar_.RemoveAll();  in RemoveNotifications()
319   if (!global_)  in WakeUpAll()
322   for (RegistrationList::iterator it = global_->registered_.begin();  in WakeUpAll()
323        global_->registered_.end() != it;  in WakeUpAll()
330   if (!global_)  in Find()
332   base::AutoLock auto_lock(global_->lock_);  in Find()
333   return global_->PreLockedFind(thread_id);  in Find()