34 AvrcpService* AvrcpService::instance_ = nullptr;  member in bluetooth::avrcp::AvrcpService
294   media_interface->RegisterUpdateCallback(instance_);  in Init()
304       base::Bind(&AvrcpService::DeviceCallback, base::Unretained(instance_)),  in Init()
321   CHECK(instance_);  in Get()
322   return instance_;  in Get()
354        instance_->connection_handler_->GetListOfDevices()) {  in SendMediaUpdate()
369        instance_->connection_handler_->GetListOfDevices()) {  in SendFolderUpdate()
398   CHECK(instance_ == nullptr);  in Init()
399   instance_ = new AvrcpService();  in Init()
407                     base::Bind(&AvrcpService::Init, base::Unretained(instance_),  in Init()
414   CHECK(instance_ != nullptr);  in ConnectDevice()
416                                           base::Unretained(instance_), bdaddr));  in ConnectDevice()
423   CHECK(instance_ != nullptr);  in DisconnectDevice()
425                                           base::Unretained(instance_), bdaddr));  in DisconnectDevice()
432   if (instance_ == nullptr) return false;  in Cleanup()
441                     base::Bind(&AvrcpService::Cleanup, base::Owned(instance_)));  in Cleanup()
445   instance_ = nullptr;  in Cleanup()
451   if (instance_ == nullptr) {  in DebugDump()
456   auto device_list = instance_->connection_handler_->GetListOfDevices();  in DebugDump()