RemoveSyncEventObserver   56 chrome/browser/extensions/api/sync_file_system/extension_sync_event_observer.cc     sync_service_->RemoveSyncEventObserver(this);
RemoveSyncEventObserver   72 chrome/browser/sync_file_system/sync_file_system_service.h   void RemoveSyncEventObserver(SyncEventObserver* observer);
RemoveSyncEventObserver  236 chrome/browser/sync_file_system/sync_file_system_service_unittest.cc     sync_service_->RemoveSyncEventObserver(&event_observer);
RemoveSyncEventObserver   41 chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.cc     sync_service->RemoveSyncEventObserver(this);