win: Implement Bluetooth server.

device/bluetooth/bluetooth_adapter_win.cc

Index: device/bluetooth/bluetooth_adapter_win.cc
diff --git a/device/bluetooth/bluetooth_adapter_win.cc b/device/bluetooth/bluetooth_adapter_win.cc
index 8f92be8140f5b3563f72a29b1e08e6e26be5a5ed..0002f846125a1cc1ddb0a738e1afc0073509d357 100644
--- a/device/bluetooth/bluetooth_adapter_win.cc
+++ b/device/bluetooth/bluetooth_adapter_win.cc
@@ -207,6 +207,15 @@ void BluetoothAdapterWin::DevicesUpdated(
   }
 }
 
+scoped_refptr<base::SequencedTaskRunner>
+BluetoothAdapterWin::ui_task_runner() {
+  return ui_task_runner_;
+}
+
+scoped_refptr<BluetoothSocketThreadWin> BluetoothAdapterWin::socket_thread() {
+  return socket_thread_;
+}
+
 // If the method is called when |discovery_status_| is DISCOVERY_STOPPING,
 // starting again is handled by BluetoothAdapterWin::DiscoveryStopped().
 void BluetoothAdapterWin::AddDiscoverySession(