bluetooth: replace GattServices D-Bus property with ServicesResolved

device/bluetooth/bluez/bluetooth_device_bluez.cc

Index: device/bluetooth/bluez/bluetooth_device_bluez.cc
diff --git a/device/bluetooth/bluez/bluetooth_device_bluez.cc b/device/bluetooth/bluez/bluetooth_device_bluez.cc
index 73e54871143c0599a4789e551dcd622dbde82343..c835899ae1f69a540bd35135420c6c6dc5f76679 100644
--- a/device/bluetooth/bluez/bluetooth_device_bluez.cc
+++ b/device/bluetooth/bluez/bluetooth_device_bluez.cc
@@ -207,6 +207,20 @@ void BluetoothDeviceBlueZ::CreateGattConnectionImpl() {
   NOTIMPLEMENTED();
 }
 
+void BluetoothDeviceBlueZ::SetGattServicesDiscoveryComplete(bool complete) {
+  // BlueZ implementation already tracks service discovery state.
+  NOTIMPLEMENTED();
+}
+
+bool BluetoothDeviceBlueZ::IsGattServicesDiscoveryComplete() const {
+  bluez::BluetoothDeviceClient::Properties* properties =
+      bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
+          object_path_);
+  DCHECK(properties);
+
+  return properties->services_resolved.value();
+}
+
 void BluetoothDeviceBlueZ::DisconnectGatt() {
   Disconnect(base::Bind(&base::DoNothing), base::Bind(&base::DoNothing));
 }