bluetooth: Make public BluetoothDevice::GetName method.

device/bluetooth/bluetooth_device_win.cc

Index: device/bluetooth/bluetooth_device_win.cc
diff --git a/device/bluetooth/bluetooth_device_win.cc b/device/bluetooth/bluetooth_device_win.cc
index 525ab0a1d9da8f5e2aa24adcabc9d13e46845e1d..f71c1372891f7d474ddd2445d8b630cc132aa9f0 100644
--- a/device/bluetooth/bluetooth_device_win.cc
+++ b/device/bluetooth/bluetooth_device_win.cc
@@ -87,6 +87,10 @@ uint16_t BluetoothDeviceWin::GetAppearance() const {
   return 0;
 }
 
+base::Optional<std::string> BluetoothDeviceWin::GetName() const {
+  return name_;
+}
+
 bool BluetoothDeviceWin::IsPaired() const {
   return paired_;
 }
@@ -285,10 +289,6 @@ void BluetoothDeviceWin::Update(
   UpdateServices(device_state);
 }
 
-std::string BluetoothDeviceWin::GetDeviceName() const {
-  return name_;
-}
-
 void BluetoothDeviceWin::CreateGattConnectionImpl() {
   // Windows implementation does not use the default CreateGattConnection
   // implementation.