Bluetooth: mac: Working on macOS descriptor implementation.

device/bluetooth/bluetooth_remote_gatt_characteristic_unittest.cc

Index: device/bluetooth/bluetooth_remote_gatt_characteristic_unittest.cc
diff --git a/device/bluetooth/bluetooth_remote_gatt_characteristic_unittest.cc b/device/bluetooth/bluetooth_remote_gatt_characteristic_unittest.cc
index 4adae36c00468164e96d32be08989d6c9a098805..0b09275d3f8ca3683ec07e9250492f7b23ad5288 100644
--- a/device/bluetooth/bluetooth_remote_gatt_characteristic_unittest.cc
+++ b/device/bluetooth/bluetooth_remote_gatt_characteristic_unittest.cc
@@ -71,10 +71,6 @@ class BluetoothRemoteGattCharacteristicTest : public BluetoothTest {
     }
     ASSERT_NO_FATAL_FAILURE(FakeCharacteristicBoilerplate(properties));
 
-#if !defined(OS_MACOSX)
-    // macOS: Not applicable. CoreBluetooth exposes -[CBPeripheral
-    // setNotifyValue:forCharacteristic:] which handles all interactions with
-    // the CCC descriptor.
     size_t expected_descriptors_count = 0;
     if (error != StartNotifySetupError::CONFIG_DESCRIPTOR_MISSING) {
       SimulateGattDescriptor(
@@ -92,7 +88,6 @@ class BluetoothRemoteGattCharacteristicTest : public BluetoothTest {
     }
     ASSERT_EQ(expected_descriptors_count,
               characteristic1_->GetDescriptors().size());
-#endif  // !defined(OS_MACOSX)
 
     if (error == StartNotifySetupError::SET_NOTIFY) {
       SimulateGattCharacteristicSetNotifyWillFailSynchronouslyOnce(