Convert //components/[o-t]* from scoped_ptr to std::unique_ptr

components/pairing/bluetooth_host_pairing_controller.h

Index: components/pairing/bluetooth_host_pairing_controller.h
diff --git a/components/pairing/bluetooth_host_pairing_controller.h b/components/pairing/bluetooth_host_pairing_controller.h
index 28311521510ebf48406965df136f16fd9edc3b99..e5ebac84a6e3d322cdb275e921907ffc59e4860c 100644
--- a/components/pairing/bluetooth_host_pairing_controller.h
+++ b/components/pairing/bluetooth_host_pairing_controller.h
@@ -7,6 +7,8 @@
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
@@ -114,7 +116,7 @@ class BluetoothHostPairingController
   scoped_refptr<device::BluetoothAdapter> adapter_;
   scoped_refptr<device::BluetoothSocket> service_socket_;
   scoped_refptr<device::BluetoothSocket> controller_socket_;
-  scoped_ptr<ProtoDecoder> proto_decoder_;
+  std::unique_ptr<ProtoDecoder> proto_decoder_;
 
   base::ThreadChecker thread_checker_;
   base::ObserverList<Observer> observers_;